The Importance of Motion in Motion

There is no absurdity in admitting that a thing may be moved which was not moved before but how this can take place must be investigated I say then it must take place in such a manner that the same thing may be at one time moved and at another not by the same thing which has the power of moving for he who says this doubts nothing else then why some things are not always at rest and others in motion. The third argument may especially appear to be dubious being that which happens in animated natures as if motion was in generated in these when it was not inherent before. But we see that the animal moves itself not according to every motion but that which is according to place nothing therefore hinders