Humor is the instinct for taking pain playfully.

A liberal mind is a mind that is able to imagine itself believing anything

It is the ability to take a joke, not make one, that proves you have a sense of humor.

Dogs laugh, but they laugh with their tails. What puts man in a higher state of evolution is that he has got his laugh on the right end.

A smile is the universal welcome.

People who demand neutrality in any situation are usually not neutral but in favor of the status quo.