Edward W. Howe

If you don't laugh at troubles, you won't have anything to laugh at when you grow old.

Fyodor Dostoevsky

One can know a man from his laugh, and if you like a man's laugh before you know anything of him, you may confidently say that he is a good man.

Chamfort

The most wasted day of all is that on which we have not laughed.

Martin Luther

If I am not allowed to laugh in heaven, I don't want to go there.

Milton Berle

Laughter is an instant vacation.

Chrisoph Wilhelm Hufeland

Laughter is the most healthful exertion.