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

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

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.

Before impugning an opponent's motives, even when they legitimately may be impugned, answer his arguments.

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

It still remains true that as a set of cognitive beliefs about the existence of God in any recognizable sense continuous with the great systems of the past, religious doctrines constitute a speculative hypothesis of an extremely low order of probabil