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

This quote is attributed to Tweety.

Change is the only constant in life. - Tweety

"Change is the only constant in life."

Tweety Change

"I'm a tweety bird, that's me!"

"Suffering succotash! That's one angry cat."

"Hello, Doc!"

"Be vewy, vewy quiet... I'm hunting wabbits."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."