Those who say that life is worth living at any cost have already written an epitaph of infamy, for there is no cause and no person that they will not betray to stay alive.

The mob that hails the man on horseback, the Caesars and conquering heroes, does not retain its freedoms for long.

Everyone recognizes a distinction between knowledge and wisdom. . . Wisdom is a kind of knowledge. It is knowledge of the nature, career, and consequences of human values. Since these cannot be separated from the human organism and the social scene, the moral ways of man cannot be understood without knowledge of the ways of things and institutions.

[A]nti-Semitism was rife in almost all varieties of socialism.

Students rarely disappoint teachers who assure them in advance that they are doomed to failure.

No one who accepts the sovereignty of truth can be a foot soldier in a party or movement. He will always find himself out of step.

If one shoots at a king, one must not miss.