Laughter is the only free emotion - the only one that can't be compelled. We can be made to fear. We can even be made to believe we're in love because, if we're kept dependent and isolated for long enough, we bond in order to survive. But laughter explodes like an aha! It comes when the punch line changes everything that has gone before, when two opposites collide and make a third and when we suddenly see a new reality...laughter is an orgasm of the mind.

Laughter, n. An interior convulsion, producing a distortion of the features and accompanied by inarticulate noises. It is infectious and, though intermittent, incurable.

Laughter is a mental mechanism which enables us to face reality without falling into despondency or delusion. As people who have sunk in apathy seldom bother us by rushing into print, delusion (leaving aside deceit) constitutes the chief obstacle to the progress of our understanding of society, and in this context is usually assumes the form of doctrinairism couched in a mystifying jargon. A sense of humour is the most reliable external indicator of the likelihood of immunity from this folly, and of the ability to appraise social situations realistically.

Laughter is the language of the soul.

Laughter is a sunbeam of the soul.

Laughter is an affect resulting from the sudden transformation of a heightened expectation into nothing.

I finally understood why laughter is a mark of wanderers, from the holy fools of Old Russia to the roadies of rock music. It’s the surprise, the unexpected, the out of control. It turns out that laughter is the only free emotion — the only one that can’t be compelled. We can be made to fear. We can even be made to believe we’re in love because, if we’re kept dependent and isolated for long enough, we bond in order to survive. But laughter explodes like an aha! It comes when the punch line changes everything that has gone before, when two opposites collide and make a third, when we suddenly see a new reality.

Laughter is a form of internal jogging. It moves your internal organs around. It enhances respiration. It is an igniter of great expectations..

Laughter is man's most distinctive emotional expression.

"To laugh is to live profoundly... The sound of laughter is like the vaulted dome of a temple of happiness, "that delectable trance of happiness, that ultimate peak of delight. Laughter of delight, delight of laughter... it is an expression of being rejoicing at being...

1. Laughter is the Wild Body's song of triumph.
2. Laughter is the climax in the tragedy of seeing, hearing and smelling self-consciously.
3. Laughter is the bark of delight of a gregarious animal at the proximity of its kind.
4. Laughter is an independent, tremendously important, and lurid emotion.
5. Laughter is the representative of Tragedy, when Tragedy is away.
6. Laughter is the emotion of tragic delight.
7. Laughter is the female of Tragedy.
8. Laughter is the strong elastic fish, caught in Styx, springing and flapping about until it dies.
9. Laughter is the sudden handshake of mystic violence and the anarchist.
10. Laughter is the mind sneezing.
11. Laughter is the one obvious commotion that is not complex, or in expression dynamic.
12. Laughter does not progress. It is primitive, hard and unchangeable.

"The sound of laughter is like the vaulted dome of a temple of happiness, "that delectable trance of happiness, that ultimate peak of delight. Laughter of delight, delight of laughter." There is no doubt: this laughter goes "far beyond joking, jeering, and ridicule." The two sisters stretched out on their bed are not laughing at anything concrete, their laughter has no object; it is an expression of being rejoicing at being... and in this ecstatic laughter he loses all memory, all desire, cries out to the immediate present of the world, and needs no other knowledge."

What soap is to the body, laughter is to the soul.

Laughing is medicine for the soul.