Who said "I've learned that patience is often the greatest weapon."?

This quote is attributed to Agent Coulson.

I've learned that patience is often the greatest weapon. - Agent Coulson

"I've learned that patience is often the greatest weapon."

Agent Coulson Patience

"I'm sorry, the god of Thunder lost his hammer and apparently nobody saw that coming."

"There's no such thing as coincidence. Only the inevitable."

"I've always admired your confidence. Not always your judgment, but your confidence."

"Big man in a suit of armour. Take that off, what are you?"

"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."