Philosophy That Teaches Virtue Is the Only Good

This page is the CodyCross answer for the clue below from Treasure Island, Group 1032, Puzzle 4 (Precious Cargo).

Question is: Philosophy That Teaches Virtue Is the Only Good

and the answer is: STOICISM

Word Meaning:

STOICISM — A school of philosophy popularized during the Roman Empire that emphasized reason as a means of understanding the natural state of things, or logos, and as a means of freeing oneself from emotional distress.

Definitions from Wiktionary.