Who said "The world needs people who refuse to give up."?

This quote is attributed to Phil Coulson.

The world needs people who refuse to give up. - Phil Coulson

"The world needs people who refuse to give up."

Phil Coulson Motivation

"I'm not a superhero, I'm just a guy with a badge and a really good suit."

"Sometimes the best way to solve a problem is to understand it first."

"We all have our limits. The trick is knowing what they are."

"Trust is earned, not given. Remember that."

"I believe in working hard for what you want."

"Never underestimate the power of determination."

"I don't need a reason to fight."

"The most important thing is the mission. Nothing else matters."