sistent existence itself (ipsum esse subsistens), the Necessary Being that cannot not be. As the highest science, metaphysics has the added task of ordering, defending, and safeguarding all other sciences, speculative and practical.
In the argument from motion, Aquinas begins by stating that this is the first and most manifest way. Aquinas argues the following:
1) Some things are in motion, as shown by our senses: "It is certain, and evident to our senses, that in the world some things are in motion."
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