Who said "The only true failure is the failure to try."?

This quote is attributed to Church, Alonzo.

The only true failure is the failure to try. - Church, Alonzo

"The only true failure is the failure to try."

Church, Alonzo Success

Logician-Mathematician American 1903–1995

"I found that there were about 600 or so lot of people who were by definition only people who were trying to figure things out."

"The task is not so much to see what no one has yet seen; but to think what nobody has yet thought about that which everybody sees."

"One cannot escape the feeling that these mathematical formulae have an independent existence and an intelligence of their own."

"In mathematics you don't understand things. You just get used to them."

"Success comes to those who never give up."

"Success is measured by happiness, not money."

"You make your own luck in this world."

"You have to be organized to be successful in anything."