All [zoos] actually offer to the public in return for the taxes spent upon them is a form of idle and witless amusement, compared to which a visit to a penitentiary, or even to a State legislature in session, is informing, stimulating and ennobling.

The public, with its mob yearning to be instructed, edified and pulled by the nose, demands certainties; it must be told definitely and a bit raucously that this is true and that is false. But there are no certainties.

New York: A third-rate Babylon.

Religion is "so absurd that it comes close to imbecility."

The trouble with fighting for human freedom is that one spends most of one's time defending scoundrels. For it is against scoundrels that oppressive laws are first aimed, and oppression must be stopped at the beginning if it is to be stopped at all.

Psychotherapy is the theory that the patient will probably get well anyhow and is certainly a damn fool.

Living with a dog is easy- like living with an idealist.