Fear of death has been the greatest ally of tyranny past and present.

Stupidity is sometimes the greatest of historical forces.

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.

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

A liberal education will impart an awareness of the amazing and precious complexity of human relationships. Since those relationships are violated more often out of insensitiveness than out of deliberate intent, whatever increases sensitiveness of perception and understanding humanizes life.

The difference between science and religion is that the former wishes to get rid of mysteries whereas the latter worships them.