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.

Everyone who remembers his own education remembers teachers, not methods and techniques. The teacher is the heart of the educational system.

Idealism, alas, does not protect one from ignorance, dogmatism, and foolishness.

To silence criticism is to silence freedom.

Philosophy, most broadly viewed, is the critical survey of existence from the standpoint of value.

[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.