Man became free when he recognized that he was subject to law.

When liberty destroys order the hunger for order will destroy liberty.

Does history warrant the conclusion that religion is necessary to morality - that a natural ethic is too weak to withstand the savagery that lurks under civilization and emerges in our dreams, crimes and wars? ... There is no significant example in history, before our time, of a society successfully maintaining moral life without the aid of religion.

How much more suffering is caused by the thought of death than by death itself.

Inquiry is fatal to certainty.

Every vice was once a virtue, and may become respectable again, just as hatred becomes respectable in wartime.

Power dements even more than it corrupts, lowering the guard of foresight and raising the haste of action.