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Indulging in unrestrained and immoderate laughter is a sign of intemperance, of a want of control over one's emotions, and of failure to repress the soul's frivolity by a stern use of reason.

Laughter springs from the lawless part of our nature.

Laughter is nothing else but sudden glory arising from some sudden conception of some eminency in ourselves, by comparison with the infirmity of others, or with our own formerly.

Incongruity, they say, is one of the main ingredients of humor. Maybe it's because everybody can feel superior to me. I honestly don't know.

Laughter is, after speech, the chief thing that holds society together.

I believe that laughter is a language of God and that we can all live happily ever laughter.

Frequent and loud laughter is the characteristic of folly and ill manners.

Laughter is the sensation of feeling good all over and showing it principally in one place.

While the laughter of joy is in full harmony with our deeper life, the laughter of amusement should be kept apart from it. The danger is too great of thus learning to look at solemn things in a spirit of mockery, and to seek in them opportunities for exercising wit.

Comedy is unique in the sense that laughter is a palpable noise that everyone makes.