Universal happiness keeps the wheels steadily turning; truth and beauty can't.

The Christian idea of a perfect heaven that is something other than a non-existence is a contradiction in terms.

Idealism is the noble toga that political gentlemen drape over their will to power.

Great scientific discoveries have been made by men seeking to verify quite erroneous theories about the nature of things.

The word "love" bridges for us those chasms of momentary indifference and boredom which gape from time to time between even the most ardent lovers.

What we think and feel and are is to a great extent determined by the state of our ductless glands and our viscera.

By comparison with a night-club, churches are positively gay.

This growing poverty in the midst of growing population constitutes a permanent menace to peace. And not only to peace, but also to democratic institutions and personal liberty For overpopulation is not compatible with freedom.

The greatest triumphs of propaganda have been accomplished, not by doing something, but by refraining from doing. Great is truth, but still greater, from a practical point of view, is silence about truth.

The propagandist's purpose is to make one set of people forget that certain other sets of people are human.