Who said "Strength isn't measured in muscle, it's measured in will."?

This quote is attributed to Rocket.

Strength isn't measured in muscle, it's measured in will. - Rocket

"Strength isn't measured in muscle, it's measured in will."

Rocket Strength

"I'm not a part of your team, I'm a part of the tree."

"You're making me very angry. And when I get angry, Mr. Murder pants gets scared."

"I have a plan. It might be crazy, it might get us all killed, but I have a plan."

"Don't call me a thief. I prefer the term 'unorthodox entrepreneur.'"

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."