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

This quote is attributed to Captain America (Age of Ultron).

Courage isn't the absence of fear. It's acting despite it. - Captain America (Age of Ultron)

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

Captain America (Age of Ultron) Courage

"I'm always angry."

"The world is in our hands now."

"We may not be able to save everyone, but we have to try."

"I can do this all day."

"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."