Every time a man knocks on a brothel door, he is really knocking for God

Truths turn into dogmas the minute they are disputed.

Government has become ungovernable; that is, it cannot leave off governing. Law has become lawless; that is, it cannot see where laws should stop. The chief feature of our time is the meekness of the mob and the madness of the government.

The old idea that the joke was not good enough for the company has been superseded by the new aristocratic idea that the company was not worthy of the joke. They have introduced an almost insane individualism into that one form of intercourse which is specially and uproariously communal. They have made even levities into secrets. They have made laughter lonelier than tears.

It is the main earthly business of a human being to make his home, and the immediate surroundings of his home, as symbolic and significant to his own imagination as he can.

The life of a thinking man will probably be divided into two parts -- the first in which he desires to exterminate modern thinkers, and the second in which he desires to watch them exterminating each other. ... Suppose, for instance, there is an old story and a new skeptic who is skeptical of the story. We have only to wait a little while for a yet newer skeptic who is skeptical of the skeptic. He will probably find the old notion actually a help in his new notion. This process is an abstract truth applying to anything, apart from agreement or disagreement.

Angels can fly because they take themselves lightly.