Who said "Inspiration strikes when you least expect it."?

This quote is attributed to Frank Sinatra.

Inspiration strikes when you least expect it. - Frank Sinatra

"Inspiration strikes when you least expect it."

Frank Sinatra Inspiration

Jazz Singer Actor American 1915–1998

"The best way to take care of the future is to take care of the present moment."

"You're nobody till somebody loves you."

"I've got you under my skin."

"Ring-a-ding-ding."

"The best part of living is knowing you survived."

"The world needs heroes."

"Life is too short to live poorly."

"I'd rather be an optimist and be wrong than a pessimist and be right"