Who said "The only real failure is the failure to try"?

This quote is attributed to Hermann Muller.

The only real failure is the failure to try - Hermann Muller

"The only real failure is the failure to try"

Hermann Muller Perseverance

Geneticist American 1890–1967

"Life is what happens when you're busy making other plans"

"The only way to do great work is to love what you do"

"In the middle of difficulty lies opportunity"

"Be yourself; everyone else is already taken"

"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."