Who said "The pursuit of excellence is never finished."?

This quote is attributed to Niles Crane.

The pursuit of excellence is never finished. - Niles Crane

"The pursuit of excellence is never finished."

Niles Crane Success

"I'm not drinking to escape reality, I'm drinking to enhance it."

"The mind is a terrible thing to waste, but a wonderful thing to refine."

"One must maintain certain standards, or civilization crumbles."

"Love is the most exquisite torture known to mankind."

"Success comes to those who never give up."

"Success is measured by happiness, not money."

"You make your own luck in this world."

"You have to be organized to be successful in anything."