Happiness of any given life is to be measured, not by its joys and pleasures, but by the extent to which it has been free from suffering-from positive evil.

Just as the largest library, badly arranged, is not so useful as a very moderate one that is well arranged, so the greatest amount of knowledge, if not elaborated by our own thoughts, is worth much less than a far smaller volume that has been abundantly and repeatedly thought over.

Men are the devils of the earth, and the animals are its tormented souls.

Astrology furnishes a splendid proof of the contemptible subjectivity of men in consequence whereof they refer everything to themselves and from every idea at once go straight back to themselves. Astrology refers the course of celestial bodies to the miserable ego; it also establishes a connection between the comets in heaven and the squabbles and rascalities on earth.

Animals hear about death for the first time when they die.

We seldom speak of what we have but often of what we lack.

The wise have always said the same things, and fools, who are the majority have always done just the opposite.