Who said "Courage isn't the absence of fear. It's acting despite it."?

This quote is attributed to Black Widow / Natasha Romanoff.

Courage isn't the absence of fear. It's acting despite it. - Black Widow / Natasha Romanoff

"Courage isn't the absence of fear. It's acting despite it."

Black Widow / Natasha Romanoff Courage

"I used to have nothing. Then I got this job, this team. It's all I have."

"Compromise where you can. Where you can't, don't."

"I'm always picking up after you boys."

"The world doesn't change without sacrifice."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."