Who said "The kindest act is often the one nobody knows about."?

This quote is attributed to Sinclair Lewis.

The kindest act is often the one nobody knows about. - Sinclair Lewis

"The kindest act is often the one nobody knows about."

Sinclair Lewis Kindness

Novelist American 1885–1951

"It is the nature of progress that it makes the past seem wrong."

"Don't you dare take the lazy approach and accept things as they are."

"Sincere faith is the best intellect, and the best intellect is a faith in the nobility of human nature."

"Every compulsion is put upon us by other people, hardly by ourselves."

"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."