Who said "A man must accept his nature or be destroyed by it."?

This quote is attributed to Mountain.

A man must accept his nature or be destroyed by it. - Mountain

"A man must accept his nature or be destroyed by it."

Mountain Philosophy

"I am the Mountain."

"The strong do what they can, and the weak suffer what they must."

"Ours is the fury."

"A man's worth is measured by his strength."

"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."