Who said "Fear is just another weapon if you know how to use it."?

This quote is attributed to Rocket.

Fear is just another weapon if you know how to use it. - Rocket

"Fear is just another weapon if you know how to use it."

Rocket Fear

"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.'"

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."