Who said "We're all capable of more than we think."?

This quote is attributed to Sully.

We're all capable of more than we think. - Sully

"We're all capable of more than we think."

Sully Inspiration

"I'm not listening to this. We're going back out there."

"We laugh, we cry, we fall in love."

"You really are a bad friend."

"I'm watching you, Wazowski. Always watching. Always."

"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"