Who said "One must maintain composure in the face of adversity."?

This quote is attributed to Frasier Crane.

One must maintain composure in the face of adversity. - Frasier Crane

"One must maintain composure in the face of adversity."

Frasier Crane Strength

"I'm listening."

"Tossed salad and scrambled eggs."

"It's a Frasier kind of day."

"Excelsior!"

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."