Delight at having understood a very abstract and obscure system leads most people to believe in the truth of what it demonstrates.

Marriage, in contrast to the flu, starts with a fever and ends with the chills.

The most perfect ape cannot draw an ape; only man can do that; but, likewise, only man regards the ability to do this as a sign of superiority.

Nothing reveals a man's character better than the kind of joke at which he takes offense.

Some people come by the name of genius in the same way that certain insects come by the name of centipede -- not because they have a hundred feet, but because most people can't count above 14.

It often takes more courage to change one's opinion than to stick to it.

An hour-glass is a reminder not only of time's quick flight, but also of the dust to which we must at last return