Who said "I've learned that people are more valuable than power."?

This quote is attributed to Biff Tannen.

I've learned that people are more valuable than power. - Biff Tannen

"I've learned that people are more valuable than power."

Biff Tannen Wisdom

"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."

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."