Who said "The future isn't written yet. We write it ourselves."?

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

The future isn't written yet. We write it ourselves. - Captain America (Age of Ultron)

"The future isn't written yet. We write it ourselves."

Captain America (Age of Ultron) Dreams

"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."

"This is going to be a great show!"

"Dreams are what make life worth living."

"Never stop dreaming big."

"Dreams are what keep us going."