Who said "Kindness costs nothing but is worth everything."?

This quote is attributed to Heckle and Jeckle.

Kindness costs nothing but is worth everything. - Heckle and Jeckle

"Kindness costs nothing but is worth everything."

Heckle and Jeckle Kindness

"Why be serious when you can be hilarious?"

"Life's too short to not laugh at yourself."

"A good prank shared is a friendship earned."

"Sometimes the best wisdom comes wrapped in a joke."

"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."