The difference between faith and superstition is that the first uses reason to go as far as it can, and then makes the jump; the second shuns reason entirely — which is why superstition is not the ally, but the enemy, of true religion.

Ancient boundaries are meaningless, except for political purposes; old divisions of clan and tribe are sentimental remnants of the pre-atomic age; neither creed nor color nor place of origin is relevant to the realities of modern power to utterly seek and destroy.

No one should pay attention to a man delivering a lecture or a sermon on his "philosophy of life" until we know exactly how he treats his wife, his children, his neighbors, his friends, his subordinates and his enemies.

People who think they're generous to a fault usually think that's their only fault.

Nobody can be so amusingly arrogant as a young man who has just discovered an old idea and thinks it is his own.

The truest test of independent judgment is being able to dislike someone who admires us, and to admire someone who dislikes us.

We evaluate others with a Godlike justice, but we want them to evaluate us with a Godlike compassion.