Who said "Imagination is the key to everything. Use it."?

This quote is attributed to Sully.

Imagination is the key to everything. Use it. - Sully

"Imagination is the key to everything. Use it."

Sully Imagination

"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."

"Imagination is more powerful than knowledge."

"The world is full of wonders if you know where to look."

"You have the imagination of a child, Lucy"

"The world is full of mysteries waiting to be solved."