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

This quote is attributed to Frasier Crane.

Change is the only constant in the universe. - Frasier Crane

"Change is the only constant in the universe."

Frasier Crane Change

"I'm listening."

"Tossed salad and scrambled eggs."

"It's a Frasier kind of day."

"Excelsior!"

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."