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

Nonetheless, it still remains true that as a set of cognitive beliefs, religious doctrines constitute a speculative hypothesis of an extremely low order of probability.

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

I was guilty of judging capitalism by its operations and socialism by its hopes and aspirations; capitalism by its works and socialism by its literature.

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

The easiest rationalization for the refusal to seek the truth is the denial that truth exists.

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