1. St. Thomas Aquinas
... this movement except by something that is already in the state of actuality. In the same respect the first object is in potentiality. For example, something cold like ice, can make water, which is potentially cold, which causes it to change and move. Now, it is impossible for the same thing to be in actuality and in potentiality at the same time ... . For instance, what is actually cold cannot simultaneously be potentially cold, though it may be potentially hot at the same time. So, it is impossible in the same reasoning that anything should be both the mover and thing being ... ...
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- Approx Pages: 6
- Grade Level: High School