Who said "A man of principle stands firm in his convictions."?

This quote is attributed to Clemenza.

A man of principle stands firm in his convictions. - Clemenza

"A man of principle stands firm in his convictions."

Clemenza Philosophy

"Leave the gun. Take the cannoli."

"A man who doesn't spend time with his family can never be a real man."

"In this world, it's not what you say, it's what you do that counts."

"You can't get to heaven with a gun in your hand."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."