Who said "Fidelity in all things—this is my creed."?

This quote is attributed to Niles Crane.

Fidelity in all things—this is my creed. - Niles Crane

"Fidelity in all things—this is my creed."

Niles Crane

"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."