If we may believe our logicians, man is distinguished from all other creatures by the faculty of laughter. He has a heart capable of mirth, and naturally disposed to it.
Sentiment: POSITIVE
Man is the only animal that laughs and weeps; for he is the only animal that is struck with the difference between what things are, and what they ought to be.
Laughter is one of the very privileges of reason, being confined to the human species.
Men live by intervals of reason under the sovereignty of humor and passion.
A laugh, to be joyous, must flow from a joyous heart, for without kindness, there can be no true joy.
Perhaps I know best why it is man alone who laughs; he alone suffers so deeply that he had to invent laughter.
I believe that laughter is a language of God and that we can all live happily ever laughter.
We must laugh at man to avoid crying for him.
The sense of humor has other things to do than to make itself conspicuous in the act of laughter.
No man can be an agnostic who has a sense of humour.
The laughter of man is more terrible than his tears, and takes more forms hollow, heartless, mirthless, maniacal.