That child whose mother has never smiled upon him is worthy neither of the table of the gods nor the couch of the goddesses.

The mania of thinking renders one unfit for every activity.

The future is a convenient place for dreams.

The faculty of doubting is rare among men. A few choice spirits carry the germs of it in them, but these do not develop without training.

No government ought to be without censors; and where the press is free, no one ever will. Chance is the pseudonym of God when he did not want to sign.

Devout believers are safeguarded in a high degree against the risk of certain neurotic illnesses; their acceptance of the universal neurosis spares them the task of constructing a personal one.

What frightens us most in a madman is his sane conversation.