Who said "The examined life is the only life worth living."?

This quote is attributed to Niles Crane.

The examined life is the only life worth living. - Niles Crane

"The examined life is the only life worth living."

Niles Crane Philosophy

"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."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."