He who laughs last didn't get it

If you want anything done well, do it yourself. This is why most people laugh at their own jokes.

the laughter and joy of puppies helped.

From your parents you learn love and laughter and how to put one foot before the other. But when books are opened you discover that you have wings.

Laughter need not be cut out of anything, since it improves everything.

Laugh till you weep. Weep till there’s nothing left but to laugh at your weeping. In the end it’s all one.