Who said "Work that matters is never wasted time."?

This quote is attributed to Agent Coulson.

Work that matters is never wasted time. - Agent Coulson

"Work that matters is never wasted time."

Agent Coulson Work

"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?"

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."