Who said "Perseverance in thought leads to breakthrough."?

This quote is attributed to Priest, Graham.

Perseverance in thought leads to breakthrough. - Priest, Graham

"Perseverance in thought leads to breakthrough."

Priest, Graham Perseverance

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."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."