Who said "Kindness is never weakness; it is strength restrained."?

This quote is attributed to Niles Crane.

Kindness is never weakness; it is strength restrained. - Niles Crane

"Kindness is never weakness; it is strength restrained."

Niles Crane Kindness

"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."

"A good man treats his wife with respect."

"Kindness always comes back around."

"The power of a smile can change everything."

"Kindness is weakness to some. Not to me."