Who said "Perseverance is the only true measure of character."?

This quote is attributed to Nacho Varga.

Perseverance is the only true measure of character. - Nacho Varga

"Perseverance is the only true measure of character."

Nacho Varga Perseverance

"I'm not a criminal, man. I'm just a guy trying to make a living."

"Sometimes you gotta do what you gotta do to survive."

"Loyalty means everything to me."

"You can't trust anybody in this business."

"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."