Who said "Hope is not a strategy, but it's a reason to keep fighting."?

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

Hope is not a strategy, but it's a reason to keep fighting. - Captain America (Age of Ultron)

"Hope is not a strategy, but it's a reason to keep fighting."

Captain America (Age of Ultron) Hope

"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."

"Every day is a new opportunity."

"Hope is what gets us through difficult times."

"I'm not your enemy, kid. I'm trying to save you."

"Redemption is a long road."