A difference of taste in jokes is a great strain on the affections.

He who laugheth too much, hath the nature of a fool; he that laugheth not at all, hath the nature of an old cat.

Laughter always arises from a gaiety of disposition, absolutely incompatible with contempt and indignation.

There is nothing sillier than a silly laugh.

A joke is at most a temporary rebellion against virtue, and its aim is not to degrade the human being but to remind him that he is already degraded.