Who said "The most honest thing we can say is 'I do not know.'"?

This quote is attributed to Priest, Graham.

The most honest thing we can say is 'I do not know.' - Priest, Graham

"The most honest thing we can say is 'I do not know.'"

Priest, Graham

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."