Aquinas argues that God did will physical evil for its own sake but willed the creation of a universe which involves the possibility of physical defects and pains. For instance by creating sensitive beings, he willed the capacity for feeling pains and that for experiencing pleasure which is inseparable from the human nature.

The doctrine of abstraction is one of the important views of Aristotle and St. Thomas Aquinas. This article explores the understanding of this doctrine in Aristotle and Aquinas.

A look at Hume’s Cleanthes and Aquinas.