Who said "Loyalty is rare, which is why it's so valuable."?

This quote is attributed to Phil Coulson.

Loyalty is rare, which is why it's so valuable. - Phil Coulson

"Loyalty is rare, which is why it's so valuable."

Phil Coulson Friendship

"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."

"Friendship is built on trust and honesty."

"True friendship is worth more than gold."

"Good friends are like stars, always there even when you can't see them."

"Friendship means sacrifice."