Who said "I have learned that adventure is for the foolish young."?

This quote is attributed to Lannister.

I have learned that adventure is for the foolish young. - Lannister

"I have learned that adventure is for the foolish young."

Lannister Adventure

"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."

"The greatest adventure is life itself."

"The adventure of life begins with a single step."

"Adventure finds you when you stop running."

"Fortune and glory, kid."