Who said "The examined thought leads to the examined life."?

This quote is attributed to Priest, Graham.

The examined thought leads to the examined life. - Priest, Graham

"The examined thought leads to the examined life."

Priest, Graham Philosophy

Philosopher-Logician Australian Born 1948 (age 78)

"Contradiction is not inconsistency."

"A contradiction at the level of thought does not mean reality is contradictory."

"Logic is the study of the laws of thought."

"Paraconsistency allows for true contradictions."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."