Who said "The real monsters are the ones we create in our minds."?

This quote is attributed to Sully.

The real monsters are the ones we create in our minds. - Sully

"The real monsters are the ones we create in our minds."

Sully Fear

"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."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."