Who said "Do anything, but let it produce joy."?

This quote is attributed to Walt Whitman.

Do anything, but let it produce joy. - Walt Whitman

"Do anything, but let it produce joy."

Walt Whitman Happiness

Poet American 1819–1892

"Do I contradict myself? Very well then I contradict myself, (I am large, I contain multitudes.)"

"I celebrate myself, and sing myself."

"Keep your face always toward the sunshine, and shadows will fall behind you."

"The future is no more uncertain than the present."

"Babalú!"

"My greatest joy is making people smile."

"Laughter and love make a home."

"The best things in life are free."