more from Thomas Aquinas

Single Idea 22112

[catalogued under 22. Metaethics / C. Ethics Foundations / 2. Source of Ethics / b. Rational ethics]

Full Idea

A human being's good is existing in accordance with reason, while what is bad for a human being is whatever is contrary to reason.

Gist of Idea

For humans good is accordance with reason, and bad is contrary to reason.

Source

Thomas Aquinas (Summa Theologicae [1265], IaIIae.18.5c), quoted by Kretzmann/Stump - Aquinas, Thomas 13

Book Reference

'Shorter Routledge Encyclopaedia of Philosophy', ed/tr. Craig,Edward [Routledge 2005], p.43


A Reaction

For anyone who thought Kant invented the idea that morality derives from reason. This idea of Aquinas is a fairly precise echo of the stoic view (which influenced Kant). Is there a circularity? Is it irrational because bad, or bad because irrational?