id author title date pages extension mime words sentences flesch summary cache txt aristotle-physics-1690 aristotle-physics-1690 .txt text/plain 86075 3444 70 things that exist by nature are, either all or some of them, in motion agent can be moved: when a thing of this kind causes motion, it is thing to cause motion, though it is itself incapable of being moved. of motion and rest, the number of kinds of change, and the different of a thing is contrary to its natural motion, just as we find a the times, and it is possible for a thing to be in motion throughout in half the time a thing that is in motion with equal velocity and argument; for in any case since the things in motion are infinite in time causes a thing to be in motion, and at another does not do so: themselves, and again all things whose motion is natural are moved times it will produce contrary motions in each several thing that it ./cache/aristotle-physics-1690.txt ./txt/aristotle-physics-1690.txt