Who said "Change is the only constant in the universe."?

This quote is attributed to Buzz Lightyear.

Change is the only constant in the universe. - Buzz Lightyear

"Change is the only constant in the universe."

Buzz Lightyear Change

"To infinity and beyond!"

"I am Buzz Lightyear of Star Command. I come in peace."

"This is an intergalactic emergency. I need to reach Star Command immediately."

"I'm not a toy. I'm a Space Ranger."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."