Who said "You need to understand what you're dealing with here."?

This quote is attributed to Agent Coulson.

You need to understand what you're dealing with here. - Agent Coulson

"You need to understand what you're dealing with here."

Agent Coulson Knowledge

"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?"

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."