Who said "Patience? That's a sign of weakness."?

This quote is attributed to Biff Tannen.

Patience? That's a sign of weakness. - Biff Tannen

"Patience? That's a sign of weakness."

Biff Tannen Patience

"I'm your density. I mean, your destiny."

"Make like a tree and get outta here!"

"Nobody calls me chicken!"

"You're my favorite girl, McFly."

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."