Who said "Death is the one certainty we all must face."?

This quote is attributed to Frasier Crane.

Death is the one certainty we all must face. - Frasier Crane

"Death is the one certainty we all must face."

Frasier Crane Death

"I'm listening."

"Tossed salad and scrambled eggs."

"It's a Frasier kind of day."

"Excelsior!"

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."