Who said "The pursuit of excellence is never-ending."?

This quote is attributed to Conan O'Brien.

The pursuit of excellence is never-ending. - Conan O'Brien

"The pursuit of excellence is never-ending."

Conan O'Brien Work

Talk Show Host American Born 1963 (age 63)

"If you work hard and are kind, amazing things will happen."

"Work hard, be kind, and amazing things will happen."

"The key to a great show is honesty."

"I want to die peacefully in my sleep like my grandfather, not screaming in terror like his passengers."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."