Who said "The wise man adapts; the fool insists on being right."?

This quote is attributed to Lannister.

The wise man adapts; the fool insists on being right. - Lannister

"The wise man adapts; the fool insists on being right."

Lannister Wisdom

"A Lannister always pays his debts."

"I am the god of tits and wine."

"You are an awful man."

"I drink and I know things."

"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."