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

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

In contrast to totalitarianism, democracy can face and live with the truth about itself.

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.

To deny me the right to err is therefore to deny me the right to believe.

Tolerance always has limits - it cannot tolerate what is itself actively intolerant.

Religious freedom in an open society has the best prospects of flourishing to the extent that it expresses itself as freedom of religious inquiry.