chapter  V
42 Pages

Aquinas

But this reasoning may be met by the following reply on behalf of Plato's view. There is no difficulty, it will be said, in mover and moved having the same act, notwithstanding their difference in being; for motion is at once the act of the moving force, from which it is, and the act of the thing moved, in which it is. Thus, then, in Plato's theory, the aforesaid activities may be common to soul and body, belonging to the soul as the moving force, and to the body as the thing moved. But this explanation cannot hold for the following reasons.