You are free to do what you want, but you are not free to want what you want.

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.

A man who has no mental needs, because his intellect is of the narrow and normal amount, is, in the strict sense of the word, what is called a philistine.

Were an Asiatic to ask me for a definition of Europe, I should be forced to answer him: It is that part of the world which is haunted by the incredible delusion that man was created out of nothing, and that his present birth is his first entrance into life.

When a new truth enters the world, the first stage of reaction to it is ridicule, the second stage is violent opposition, and in the third stage, that truth comes to be regarded as self-evident.

Not to go to the theater is like making one's toilet without a mirror.

For our improvement we need a mirror.