Who said "I often wonder what it is that keeps me going."?

This quote is attributed to Peter Sellers.

I often wonder what it is that keeps me going. - Peter Sellers

"I often wonder what it is that keeps me going."

Peter Sellers Life

Comedy Actor British 1925–1980

"I'm always looking for a new challenge, something I haven't done before."

"The world is a stage, and life's a very funny play."

"I thought what I'd do was pretend to be mad."

"We're all mad here. I'm mad. You're mad."

"Life is meant to be lived with passion."

"Life is what happens when you're busy making other plans."

"Life is a journey, not a destination."

"Life's too short for regrets."