A letter in answer to certain quæries and objections made by a learned Galenist against the theorie and practice of chymical physick wherein the right method of curing of diseases is demonstrated, the possibility of universal medicine evinced, and chymical physick vindicated / by George Acton ... Acton, George. 1670 Approx. 33 KB of XML-encoded text transcribed from 9 1-bit group-IV TIFF page images. Text Creation Partnership, Ann Arbor, MI ; Oxford (UK) : 2007-01 (EEBO-TCP Phase 1). A26305 Wing A449 ESTC R6585 12706851 ocm 12706851 66048 This keyboarded and encoded edition of the work described above is co-owned by the institutions providing financial support to the Early English Books Online Text Creation Partnership. This Phase I text is available for reuse, according to the terms of Creative Commons 0 1.0 Universal . The text can be copied, modified, distributed and performed, even for commercial purposes, all without asking permission. Early English books online. (EEBO-TCP ; phase 1, no. A26305) Transcribed from: (Early English Books Online ; image set 66048) Images scanned from microfilm: (Early English books, 1641-1700 ; 372:5) A letter in answer to certain quæries and objections made by a learned Galenist against the theorie and practice of chymical physick wherein the right method of curing of diseases is demonstrated, the possibility of universal medicine evinced, and chymical physick vindicated / by George Acton ... Acton, George. [2], 14 p. Printed by William Godbid for Walter Kettleby ..., London : 1670. Reproduction of original in Huntington Library. Created by converting TCP files to TEI P5 using tcp2tei.xsl, TEI @ Oxford. Re-processed by University of Nebraska-Lincoln and Northwestern, with changes to facilitate morpho-syntactic tagging. Gap elements of known extent have been transformed into placeholder characters or elements to simplify the filling in of gaps by user contributors. 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Copies of the texts have been issued variously as SGML (TCP schema; ASCII text with mnemonic sdata character entities); displayable XML (TCP schema; characters represented either as UTF-8 Unicode or text strings within braces); or lossless XML (TEI P5, characters represented either as UTF-8 Unicode or TEI g elements). Keying and markup guidelines are available at the Text Creation Partnership web site . eng Medicine -- Early works to 1800. 2006-02 TCP Assigned for keying and markup 2006-04 SPi Global Keyed and coded from ProQuest page images 2006-05 Andrew Kuster Sampled and proofread 2006-05 Andrew Kuster Text and markup reviewed and edited 2006-09 pfs Batch review (QC) and XML conversion A LETTER In ANSWER to certain Quaeries and Objections made by a Learned GALENIST , against the Theorie and Practice of Chymical Physick . Wherein the right Method of Curing of Diseases is Demonstrated : The possibility of an Vniversal Medicine evinced ; AND CHYMICAL PHYSICK Vindicated . By GEORGE ACTON Doctor of Physick . Published for the benefit of such as languish under any grievous Distemper without Cure. LONDON , Printed by William Godbid for Walter Kettleby , at the Sign of the Bishops Head in Duck-Lane . 1670. SIR , HAD you not power enough with me to perswade me for your satisfaction , to neglect my own , I should scarcely at this time have comply'd with your desires , in answering your several Quaeries and Objections against both the Theorie and Practice of Chymical Physick ; for I find almost all the Galenists that are either totally ignorant of Chymistry , or acquainted only with the Vulgar ; such as is that of Crollius , Hartman , Beguin , and their like , so riged opposers of the more occult Philosophy of Hermes , Raymond , Lully , Basilius Valentinus , Paracelsus , Vanhelmont , &c. that they cannot but protest against all their Schollars and followers , as Heterodox , deserters of the Schools , and ( to use your own expression ) Phanaticks and Canters of such a Philosophy , that were Galen himself again living upon Earth , he would not be able to understand it ; and although for your own part I have no reason to believe you of the number of those supercilious Opiners , that scorn to forsake an Errour because vulgarly received ; yet I doubt whether the Truth in so plain a dress as I shall expose it , may not startle you also . You are perhaps too tender of the Reputation of Galen , for you ought not to think it any discredit to him , that had never seen so much as common Distillation in his life , to be said not to understand the profound and hidden Mysteries of Natural Phylosophy , plunged in an Abyss inaccessible and imperceivable by any possibility of Witt , without the help of Fire ; He well saw that the tenuous and aethereal substance of things , was of greater efficacy than their grosser part , as he confesseth in his 11 Book De Simp. Med. Facul . Quae tenuium sunt partium , iis quae sunt crassarum plus habent efficaciae etiamsi parem sortita fuerint facultatem , nimirum quia melius penitrent ; but he knew not how to separate the tennous parts from the implication of the gross , which we do by the help of Fire . Whence I conclude , that he ( had he understood the Art of Chymistry , which in his time lay hid in obscure Hieroglyphicks in the Shrines of Aegypt , would have left us both his Physiology , Pathology , and especially his Method of Healing , quite different from what it is ; for it cannot reasonably be imagined , that so curious a searcher into the hidden things of Nature , would have contented himself with a bare rational Analysis of Bodies existing only in the Understanding , had he been acquainted with the Encheiretick , resolving all bodies into Principles subject to Sense , and fit for the use and manual operation of a skilful Physician by the help of Fire . Your Ideal Analysis , by a progressive agitation of the Mind , by which you find contemplation to end where natural composition begins , leads you at last but into the dark Chaos of the Elements , and there begets but this unprofitable conclusion ; That because all things are by a mental Resolusion ultimately resolv'd into the four Elements , therefore these are the common Principles of all things . Now how much it may really improve any mans understanding in the Art of Physick , to tell him all things are compounded of the four Elements , more than in Ship-Carpentry , to tell him a Ship is made of Timber , Iron , Hemp , and Tarr , I leave you to judge . We therefore , ( in regard the Elements are but remote Principles upon which only God and Nature can work ) have by the Resolution of Fire found out nearer Principles subject ( as I said ) to Sense , and fit for the use of a Spagyrical Physician : these are Mercury , Sulphur , and Salt , which being first separated and cleansed from all heterogeneous feculency , then exalted ( by the help of Fire ) in power and virtue , we can either use them severally , or conjunctly , according to their virtues , and the curative intention of the Physician ; And thus by the help of Fire , we make Medicines easily curing those obstinate Diseases you esteem incurable ; By the help of Fire we understand the occult Hermetick and Helmontian Philosophy ; and by the help of Fire , with much study , labour , and sweat ( never by the bare reading of Books at your ease ) may you also be satisfyed of the reality , truth , and excellence of that Physick which you now profess ( and I believe you ) no more to understand , than the Cantings of Gipsies . But now to your first Quaerie : Whether it be possible to cure a Disease without a Remedy contrary to the Disease , or at least to its Cause ? I answer with the Adepti in the affirmative , and say , Nulla fit sanatio per contraria , quia Morbus proximè & primariò consistit in Arbéo at substantiae in esse ( according to Aristotle ) nihil est contrarium . It is not the corporeal substance of the Brain , Heart , Liver , Spleen , &c. that suffers primarily , & per se in their several distempers , though Idiopathical , but the Jusitous Spirit governing the part , and disposing it to perform all natural , Vital , and Animal Functions , which being hurt by the Errour and depravation of the Jufluous Spirit and Topick Ferment , the part necessarily suffers by accident , Quia actio terminatur in corpus . Now the atonie of the Jufluous Spirit and deviation of Ferments happens by ill air , Contagion , Malignant Influence , poisonous Fumes or Odours inspir'd , or entring by the Pores , by Meat or Drink hurtful either in quality or quantity , by Poison or Virulency of ill Physick , by natural or accidental inequality of strength , by retention of Excrements of the several digestions , by transmission from one digestion to another , before a perfect Concoction in the former , &c. So then the right Method of curing Diseases , is primarily by pacation of the Enormontick Spirit , and extinction of Morbifick Idea's , and but à posteriori , by expelling the peccant matter generated by the ataxie of the Spirit : But such a sedation of the Spirit cannot possibly be procured by contraries ; does not Fire burn most vehemently , when constring'd by an extreme cold of the ambient ? and hot water soonet extinguish Fire than cold , because sooner penetrating its Pores ? I could multiply arguments against the Method of curing Diseases by contrary Remedies ; but my design is rather to recreate than tire you with too long a Letter . To your next Quaerie , therefore , Whether we acknowledge four ▪ Humours ; and if so , Whether various Distempers flowing from the depravation or excess of various Humours , as Synochus simplex , of too much abundance of Blood ; Quotidiana Intermittens , of Flegm ; Tertiana Intermittens , of Choler ; Quartana Intermittens , of Melancholy ; all putrifying in the first region of the Body ; and both Quotidian , Tertian , and Quartan , continual from the same humours putrefying in the Vein , may be all cured by one Medicine ? In answer to this ; First , We deny your Humours , as most repugnant to reason , that under one act of Sanguification , and in the same Vessels , four different Humours should be produc'd , and that naturally in sound and healthful Bodies these Humours should be the efficient causes of future Diseases ; For this were to suppose Nature always to erre , etiam in suis finibus . Sense likewise assures us , that although there be a Liquor swimming upon Blood , emitted and cold , of a yellow colour , yet that it is not therefore yellow Bile ; for that it is not bitter to the taste : And though the Yellow Jaundies staining the whole Body with a yellow colour , and the Urine with a deep tincture of Red , seem ( prima faciè ) to prove your Hypothesis of Humours ; yet upon an exact Spagyrical examination , you shall find the contrary ; for if this tincture of Urine were à flava bile , there must be found in it by Distillation at least some bitterness , either in the Liquor that comes over , or in the Hypostasis , or Caput mortuum ; but there is found none , nor could a small quantity of yellow Liquor tinge a large quantity of Urine with a colour deeper than its own . So that we say , Nullus in natura Humor noster , nisi Cruor , Latex , & Secundarius . Now sometimes this Latex , sometimes the Chyle , from the Errour and contagion of degenerated Ferments , and pre-disposition of the matter , receives various tinctures , and puts on the disguise of your supposed Humours . But granting you a Quaternary of Humours , yet we deny them to be truly the efficient causes of Diseases , for manente causa non tollitur Effectus ; but very many Diseases we see daily cured by Amulets ; Plaisters , Laudanums , Anodynes , Magneticks , &c. without any evacuation of Humours at all ; so then the truly Efficient and conjunct Cause is Spiritual , and such a Medicine as can quiet the Archeus , and reduce it to its natural state , shall easily cure all these Distempers , without any regard had to the Purgation , or carrying away of Peccant Humours ; for the Jusitous Spirit being strengthened , and the local Ferments restored to their proper Energy , your peccant Humours shall soon , by the power of these , be either subacted and compell'd into their genuine perfection , or driven out by the ways most familiar and easie to Nature , truly acknowledged by Hypocrates to be Morborum Curatrix ; and in my Opinion , the reason why meer Galenists seldom perform any considerable cure in obstinate Diseases , is for that they wholly prosecute evacuation , and by that means oftentimes disable Nature , ( especially by Phlebotomy ) from doing what she would be able oftentimes of her own strength to perform , never aiming primarily and directly ( but thus only by accident ) at the re-establishing of Nature ; and no marvel , since this way of Healing is not performable without the help of such Arcana as are only known to Chymists , and of them , only to the Adepti , not every vulgar Professor of Chymistry . But you urge a necessity ( in the right Method of Healing ) of having respect not only to the expulsion of Peccant Humours , but also to the extinction of praeternatural heat by cooling Medicines , and refocillation of cold , by heating ones ; as for Example , in the cure of Anasarcha , which you say is from an immoderate refrigeration of the Liver and Veins ; of a Fever , which is from a praeternatural heat kindled first in the Heart , and thence diffusing it self through the whole Body ; of Bradypepsia and Apepsia , from the coldness of the Stomach ; of Boulimia , from an extraordinary heat of the Stomach suddainly precipitating digestion , and causing almost a continual want of aliment ; and likewise in implicite and compounded Diseases that are contrary to each other , as a hot Liver , and cold Stomach ; whatsoever Medicines should by their heating quality be proper in the Cure of Anasarcha , Bradypepsia , Apepsi , and cold Distemper of the Stomach must in respect of that heat , be quite contrary in a Fever , Boulimia , and hot Liver . I answer still with the Adepti ; That Heat and Cold ( as I said of Hmours ) are not the efficient Causes of Diseases , but the Antecedent , and therefore though their consideration be Diagnostick yet not Curative , non calor & frigus ( says Hypocrates ) sed acidum , acre , amarum , ponticum , &c. sunt morborum causae . Heat and cold praeternatural , are indeed an effect of the enraged vital Spirit , which being once quieted , the natural temper presently returns ; and as for the hot Liver and cold Stomach , which so much puzzles you , that you know not which way to direct your curative intention , as appears by your Method : Impliciti compositique morbi si dissentiant , nec prorsus huic , nec illi , sed utrique mediocritate quâdam succurendum : which is in effect but a needless kind of despair of a Cure ; whereas I am able to assure you , that if for the future you can find out such a Remedy as can re-invigorate the languishing tone of the Stomach and Liver , restore their deviated Ferments , and appease the Archeus , which may be all done with one Medicine , without any regard had either to the cold of the one , or heat of the other , you shall quickly , safely , and pleasantly cure both ; and by the like Method , all other Diseases vulgarly ascribed to Heat and Cold. You attribute Concoction to the Heat of the Stomach , and to the diminution of this Heat , want of Digeston , and all Diseases happening thence ; but that Heat is not the efficient Cause of Digestion , seems manifest ; For 1. Fishes digest without any actual Heat , and to say that potential sufficeth , is scarcely consonant to Reason , that a thing barely in potentia , should actu jam agere . 2. There ought to be as many Degrees of Heat specifically different , as there are specifical differences of Concoction , in the Stomachs of Animals of different species ; for whatsoever is produc'd specifically different , ought likewise to have the efficient Cause of that difference specifically different , otherwise , Quidlibet generetur à quolibet indifferenter , which I think no man will affirm . Besides , What degree of Heat must we allow the Stomach of an Ostrich , easily digesting Leather , Cloth , and even Nails of Iron ? what degree of heat in Boulimia for the Digestion of the coursest Food , in so large a quantity , and so fast , that the Stomach is scarcely ever to be satisfi'd ? Riverius confesseth this cannot possibly be from a more intense Heat , since Meat boiled in a Pot with the strongest Heat that can be invented , and continued for many days , cannot by this means be resolv'd into a Chylous Liquor , much less Bones , as in the Stomach of a Dog in the space of an hour : I know you shift this off to a peculiar faculty , but a faculty cannot act without an Instrument , so that you are constrained to flie to the Idiosyncrasie of the part , which you teach to be a certain proportion of first qualities ; but of all the first qualities , Heat is the most active , which nevertheless , as has been already shew'd , cannot have the power of so suddain a liquation of Meats , so that after much struggling , you are at last but where you began . We therefore ascribe the difference of Digestions , not to Heat , but to formal proprieties , and the operation of the specifical Ferments . By what hath been said , your Objections borrow'd out of Helvetius , against the possibility of an universal Medicine , seem sufficiently answer'd ; Nevertheless , take this Argument : Health is but one simple Homogeneal integrity of Life , Nature but one , but one sole Spirit , the Governour and Moderator of Life , which alone labours under Diseases , and is alone ( it by a powerful Medicine sufficiently strengthened ) able to overcome all Diseases ; why then may not one Medicine , such as the Liquor Alkahest of Paracelsus , his Tinctura Lili ab Electro Minerali , his Tinctura Lili Antimonialis , his Mercurius vitae , his Mercurius Diaphoreticus dulcis & fixus , his Ignis veneris , his Corallatus , his Elixir Proprietatis , or any other equal to these , be able to cure all Diseases ? and although I am not as yet so happy my self , as to be Master of any one of these , yet in Confirmation of this Hetrodoxical Doctrine , I will undertake ( provided the Patients you shall assign me for the tryal , will faithfully comply in taking the Medicines , and carefully observe the order prescrib'd them ) to cure all sorts of Fevers how malignant and complicated soever , with one Medicine ; your distempers of a hot Liver and cold Stomach , with one Medicine , and for the most part , Sanguine , Bilious , Melancholy , and Flegmatick Diseases , ( as you esteem them ) with one Medicine , which I hope will make you change you Opinion of the necessity of curing Diseases by their contrary Remedies . And as for those obstinate Diseases , whereof many are esteemed by you incurable , and the rest seldom or never cured by the vulgar Method , as the Dropsie , the Gout , Stone in the Reins and Bladder , Apoplexy , Co●●u , Falling Sickness , Madness , Furor uterinus , Scurvy , French Pox , Small Pox , Griping of the Gutts , of which so many hundreds fell the last Autumn , Hysterica passio , with almost the whole Catalogue of Diseases , wheresoever the vital Spirit , and tone of the part affected , are not so weakened , that no Medicine can work its effects ; to end the dispute between us , whether Chymical or Galenical Physick be the most powerful and successful , and which of them the most worthy of esteem by you , and all wise and unbyassed persons ; Let there be some of all , or the most of these Diseases put into my hand as soon as you please , and if you do not find me by the help of Chymical Physick , to cure even the hardest of them with less annoyance , less disturbance , less weakening the Spirits and force of the Patient , and incomparably more expedition , safety , and certainty , than your ordinary Physicians cure light and easie Distempers , let me be no longer held by you worthy of Credit , or have any place in your esteem ; But if I do , ( as by the Grace of God you will certainly find I shall ) I doubt not , but for the future you will give the preference to Chymical Physick , and not think me in this guilty of vanity or ostentation , which I have made known unto you out of the sincerity of my heart , inerrable experience , my love of the truth , and ( I hope ) to the inestimable benefit of such as shall need and require my help . But you apprehend Chymical Medicines to be dangerous , as being many of them extracted out of poysonous Metals and Minerals , as Iron , Copper , Tinn , Lead , Mercury , Antimony , &c. and corrosive Salts , as Vitrial , Nitre , Tarter , Bay Salt , &c. but you seem more especially to be affrighted at Antimony and Mercury ; and truly if you mean their vulgar preparations , ( which nevertheless you commonly make use of your selves , ) such as are the Vitrum , and Flores Antimonii , Crocus Metallorum , the ordinary Mercurius vita , Praecipitates and Sublimates , I so much abhor them my self , that I detest the use of them . But I have by me certain preparations out of ♁ and ☿ far more precious than Gold , with which I know how to cure almost all curable Diseases in the body of man , and so safe , that I give them commonly to little Children , without ever having found the least harm or inconvenience in them ; some of them Purge not at all , but are Diaphoretick , Alexipharmacal , Balsamical , Restaurative , and Pacative : and those that do , never cause any superpurgation , though the Patient by mistake should take a double or treble Dose . Out of ☿ can I make many excellent Medicines , whereof one particularly and especially cures the POX , though ever so full of raging pains , Tophi , and Ulcerous exesions . Cut of Antimony , Basilius Valentinus says , he knew how to make above 300 several preparations , whereof he valued many as more precious and universal than potable Gold ; Nevertheless , esteeming himself yet but a Learner and Searcher into the innumerable Virtues and Proprieties of Antimony . Quercitan says , there are in ♁ 600 Proprieties . Our most Learned Roger Bacon made an Oyl out of Antimony , which he affirms to be little inferiour not only in Medicine , but also in Transmutation of Metals , to the great Elixir of the Phylosophers . Of Antimony Paracelsus made some of his most stupendious Arcana ; as his Lili Antimoniale , his Mercurius vitae , with which he could cure all the Diseases in the Body of Man , and says of ♁ , that as it separates from Gold all Heterogeneous admixture and impurity , so doth it from the Body of Man all Diseases . And of Mercury , both he and Van Helmont made their miraculous . Alkahest . ☿ is certainly the most precious Jewel in the whole treasure of the Mineral Kingdom of Nature , from which alone ☉ it self borrows its perfection . If I would now comunicate to you but what is known to my self that am but a Scholar in the Schools of these two great Masters of Natural Philosophy of the Virtues and hidden Mysteries of these two Minerals , I must instead of a Letter , write a Volumn , which is at present far from my purpose and your expectation . Now as to Saturn , Mars , Venus , which you likewise apprehend to be dangerous ; out of Saturn alone , Paracelsus professeth himself able to cure at least 200 several Diseases , out of ♀ he made his Ens Veneris , one of his greatest Arcana , and says of ♂ , that he does , valida pugnacique manu morbor quemplurimos etiam contumacissimos domittare , hear your Riverius in the praise of ♂ in the cure of Hypochondriack Melancholy , Scurvy , most affectious of the Liver and Spleen , Ulcers of the Stomach , Green Sickness , and many others . At caeteris omnibus remediis palmam praeripit Sal Martis , quod obstructiones aperit viscera corroberat , earumque calidam intemperiem emendat , &c. A certain Physician you well knew , got more Fame and Riches than any of his time in this Town , by means of a secret operative preparation of Steel , with which he really perform'd many greater and more considerable Cures , than others equal to himself in all other considerations . But you fill me with admiration , that you should fear the corrosive quality of Vitriol , Tartre , Nitre , and Bay Salt , you may draw a Menstruum out of Bread or Honey , that will dissolve Flints , and Vlstadius out of Honey makes a dissolvant of Gold ; would you therefore be affraid of the use of Bread or Honey ? you know the juice of Limons dissolves Pearl and Coral , and yet most grateful and friendly to the Stomach ; and why should these Spirits temper'd with the allay of other milder Liquors , ad gratam aciditatem , be more dangerous ? Indeed common experience shews you the contrary ; besides you ought to consider the difference between the hard Bodies of Stones and Mettals , and the softer Membranes of the Stomach , irrigated continually with a Balsamick vital moisture : Aqua fortis that corrodes Stones and Mettals , whill not penetrate Wax . But to leave you no ground of suspition , I can shew you how to make them freed from their corrosive aciditie , pleasant to Taste and Smell , and highly exalted in Virtue . But this I confess is a great secret , especially that of the Volatile Salt of Tarter , of which Paracelsus and Van Helmont affirm , that it penetrates into the most inward and remote parts , cleansing them from all impurity , instar saponis cuncta abstergens & omnem è venis amurcam detergens , &c. But though you have oblig'd me to make this just vindication of Chymical Physick , I would not have you think I either despise or neglect the excellent use of Herbs , which I acknowledge with Van Helmont , to be pentacula Divini amoris . Out of Animals and Vegetables I can make Medicines that cure the Gout and Dropsy , with that certainty , as scarcely to miss two in twenty . But indeed , as is our Method of Healing , so are our ways of preparation very different from yours ; You in your Decoctions consume commonly a third part , sometimes half or more , in which consumption a great deal of the Spirit and Volatile Salt of the Ingredients , which contains their highest Virtues , is evaporated and lost ; of the certainty of this loss , both your Smell and Taste will bear you witness : We , on the contrary , so make our Decoctions , that the whole virtue of the Crassis of the Plant is preserv'd without any diminution ; I leave it now to your self to judge whether you or we may reasonably hope for the better success in this particular ; the like difference is between your Distillations and ours ; you for the most part add water , or at least draw over but the Flegmatick part of the Plant , with some very small part of its Sulphur , which gives it something of its natural smell and Taste , leaving nevertheless almost all its Sulphur , and totally all its Alkalious Salt behind ; so that your distill'd waters carry only the name , little of the virtue of the Plant from which they are drawn : We first stamp the Hearb , and draw its water , then cohobe it so often upon the caput mortuum , till we have brought over its Sulphur , and lastly calcine the remaining feces , and with the waters extract its own Salt , and then Circulate them together ; and thus are the Mercury , Sulphur , and Salt united , which completes the virtue of the whole Plant , and compar'd to yours , is worthy of the name of an Essence ; this is indeed laborious and costly , but in its effects largely recompenceth both . There remains yet an Objection against Chymical Physick to be answered , which you offer not as your own , but as received by common Report . That Chymical Physick , though for the present it conquer many Diseases held incurable , yet that afterwards it shortens the lives of such as have been so cured . There is indeed such a senseless calumny current amongst Women , and the weaker sort of Men industriously disseminated amongst them , by some hoping perhaps by this art the better to keep up their own Esteem and Reputation , which otherwise by their abilities they find themselves not likely to maintain . But to avoid contention , let common Experience determine this difference between us . For my own particular , I can faithfully assure you , that by Chymical Physick I have cured my self of the Vertigo , and Gout , both in great extremity ; it is now 4 years since , and I have not ( I bless God ) to this day relaps'd again into either , nor have I found any harm , but on the contrary , many benefits to my health by such Medicines , tending in all probability to the prolongation of my life ; and if I had not grounded my esteem of Chymical Physick upon good reason and sufficient experience , you might think me mad , to make desperate practices upon my own Life . My Lungs are naturally so tender and weak , that had it not been for Chymical Medicines , I cannot think I could have liv'd to see this day . But inform your self further , and you shall find that those that have been long accustomed to Chymical Physick , have preserv'd their Lives and Health much longer , and more comfortably , than those acquainted only with your Druggs ; for consider impartially , how few escape death in contumacious Diseases by means of Galenical Medicines , loathsome , tedious , and for the most part ineffectual ; and those that do , how slowly do they recover their colour , appetite , and strength , remaining long in continual fear and danger of relapse ? such large quantities of Physick as your slow Method requires , so depauperates the vital Spirit , and oppresses Nature , that it may be known many times a year after , from what Method they receiv'd their Cure : whereas we in the same Diseases perfect the Cure quickly , with little Physick , and in small Doses , such as can hardly be nauseous to the nicest and most delicate Stomachs ; and in our whole scope , our Method directs us not to enervate ( as you do ) but to erect deficient Nature , not to extenuate , but reintegrate the languishing Spirit : and is it then likely that Chymical Medicines taken from the hands of a skilful Chymical Physician , appeasing and strengthening the Archeus , restoring the Ferments , which alone in their intire vigour , are able to overcome all Diseases , as being the undoubted Authors of transmutation , friendly and comfortable to Nature , should nevertheless shorten Life ? besides the evidence of Reason , I can testify out of my own diligent Observation and Experience ( and that fido animo ) the contrary . But I believe I need not take much pains to satisfie you in this particular , I know you are too sharp sighted to be miss-led by such an Ignis Fatuus ; on the contrary , I rather believe you inclinable to acquaint your self fully with the Theory , and manual operations of Chymistry , which though it cost you ( as it hath done me ) much Time , Sweat , and Money , yet if you prove equally successful , I dare promise it shall never give you cause to repent you : for ( I speak it without boasting ) I have by the help of this Art easily and quickly cured Diseases quite desperate in the hands of very able and experienced Galenical Physicians . Truly were not Chymical Physick incomparably more powerful and safe , than Galenical , I do not see how I could excuse my self in leaving at any time , the trodden , smooth , and easie paths of the vulgar or Galenical Method , in which I am graduated as well as you , to follow those of the Chymical , painful , costly , sublime , and so secret , that but a few have ever rightly understood : — pauci quos aequus amavit Jupiter , hoc potnêre — At the worst can be said ; surely he that understands both Physicks , is likely to perform more than he that understands but one ; but I must not transgress the limits of a Letter , let what has been said suffice for the present , till I Print my Synopsis Medico-Chymica , which is almost finished , and I shall be ready at our next meeting to give you further satisfaction in any thing : In the mean time I pray do me that right to believe , that what I have said in Vindication of Chymical Physick , hath been without the least animosity , or intention of prejudice to the Person or Practice of any man , purely in defence of the Truth , and that whatsoever I have undertaken to do my self in my own particular , the better to confirm you , I will by the Grace of God , whensoever you shall offer me the occasion , faithfully make good ; and further , that I shall unalterably remain upon all Tryals . Sir , Your faithful Friend and Servant G.A. Silver-street near Bloomesbury Market London . March 4. 1669. FINIS .