A sense of duty is useful in work but offensive in personal relations. People wish to be liked, not to be endured with patient resignation.

Force plays a much larger part in the government of the world than it did before 1914, and what is especially alarming, force tends increasingly to fall into the hands of those who are enemies of civilization.

Men fear thought as they fear nothing else on earth - more than ruin, more even than death.

The only thing that will redeem mankind is cooperation.

There are still many people in America who regard depressions as acts of God. I think Keynes proved that the responsibility for these occurrences does not rest with Providence.

Logic must no more admit a unicorn than zoology can.

The desire for legitimate offspring is, in fact, according to the Catholic Church, the only motive which can justify sexual intercourse.