The fanatic is dangerous.

The will-to-live becomes the will-to-power.

The significance of the law of love is precisely that it is not just another law, but a law which transcends all law.

The measure of our rationality determines the degree of vividness with which we appreciate the needs of other life, the extent to which we become conscious of the real character of our own motives and impulses, the ability to harmonize conflicting impulses in our own life and in society, and the capacity to choose adequate means for approved ends.

Marxism is the modern form of Jewish prophecy.

To the end of history, social orders will probably destroy themselves in an effort to prove they are indestructible.

We take, and must continue to take, morally hazardous actions to preserve our civilization. We must exercise our power. But we ought neither to believe that a nation is capable of perfect disinterestedness in its exercise, nor become complacent about a particular degree of interest and passion which corrupt the justice by which the exercise of power is legitimatized.