All great ideas are dangerous.

we always misunderstood ourselves, and rarely understood others

Good resolutions are useless attempts to interfere with scientific laws. Their origin is pure vanity. Their result is absolutely nil. They give us, now and then, some of those luxurious sterile emotions that have a certain charm for the weak.... They are simply cheques that men draw on a bank where they have no account.

Even men of the noblest possible moral character are extremely susceptible to the influence of the physical charms of others. Modern, no less then Ancient History, supplies us with many most painful examples of what I refer to. If it were not so, indeed, History would be quite unreadable.

Women are a decorative sex. They never have anything to say, but they say it charmingly

Youth is the only thing worth having. When I find that I am growing old, I shall kill myself.

Sometime you will find, even as I have found, that there is no such thing as romantic experience; there are romantic memories, and there is the desire of romance- that is all. Our most fiery moments of ecstasy are merely shadows of what somewhere else we have felt, or of what we long someday to feel