Who said "A good day is one where you do something for someone else."?

This quote is attributed to O. Henry.

A good day is one where you do something for someone else. - O. Henry

"A good day is one where you do something for someone else."

O. Henry Kindness

Writer American 1862–1910

"Turn up the lights. I don't know what time it is."

"We are not made by our circumstances, we are made by our choices."

"Life is made up of sobs, sniffles, and smiles, with sniffles predominating."

"A stitch in time may have ten times the sequel."

"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."