Who said "A man must know when to act and when to wait."?

This quote is attributed to Mountain.

A man must know when to act and when to wait. - Mountain

"A man must know when to act and when to wait."

Mountain Patience

"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."

"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."