Who said "The world underestimates what we can do."?

This quote is attributed to Quicksilver (Age of Ultron).

The world underestimates what we can do. - Quicksilver (Age of Ultron)

"The world underestimates what we can do."

Quicksilver (Age of Ultron) Inspiration

"You didn't see that coming?"

"I can move faster than the eye can see."

"Life is too short to waste on anger."

"My sister and I, we're all we have."

"The best part of living is knowing you survived."

"The world needs heroes."

"Life is too short to live poorly."

"I'd rather be an optimist and be wrong than a pessimist and be right"