As men begin to grow civilized, they cease to be satisfied with mere taboos.

A man's acts are partly determined by spontaneous impulse, partly by the conscious and unconscious effects of the various groups to which he belongs.

No other organization rouses anything like the loyalty aroused by the national State. And the chief activity of the State is preparation for large-scale homicide.

I consider the official Catholic attitude on divorce, birth control, and censorship exceedingly dangerous to mankind.

The Ten Commandments should be headed like an examination paper: No more than six to be attempted.

The . . . increase in the power of officials is a constant source of irritation to everybody else.

The opinions that are held with passion are always those for which no good ground exists; indeed the passion is the measure of the holders lack of rational conviction. Opinions in politics and religion are almost always held passionately.