“Never insult anyone by accident.”

I am free, no matter what rules surround me. If I find them tolerable, I tolerate them; if I find them too obnoxious, I break them. I am free because I know that I alone am morally responsible for everything I do.

Don’t ever become a pessimist… a pessimist is correct oftener than an optimist, but an optimist has more fun, and neither can stop the march of events.

For me, politeness is a sine qua non of civilization.

Be wary of strong drink. It can make you shoot at tax collectors… and miss.

Sex without love is merely healthy exercise.

By cultivating the beautiful we scatter the seeds of heavenly flowers, as by doing good we cultivate those that belong to humanity.

One of the sanest, surest, and most generous joys of life comes from being happy over the good fortune of others.

The supreme irony of life is that hardly anyone gets out of it alive.

Writing is not necessarily something to be ashamed of, but do it in private and wash your hands afterwards.

Being right too soon is socially unacceptable.

Anyone who considers protocol unimportant has never dealt with a cat.

I don’t see how an article of clothing can be indecent. A person, yes.

May you live as long as you wish and love as long as you live.

A competent and self-confident person is incapable of jealousy in anything. Jealousy is invariably a symptom of neurotic insecurity.

Love is that condition in which the happiness of another person is essential to your own…

The difference between science and the fuzzy subjects is that science requires reasoning while those other subjects merely require scholarship.