No one should deny the danger of the descent, but it can be risked. No one need risk it, but it is certain that someone will. And let those who go down the sunset way do so with open eyes, for it is a sacrifice which daunts even the gods. Yet every descent is followed by an ascent.

There are cases where psychoanalysis works worse than anything else. But who said that psychoanalysis was to be applied always and everywhere.

Observance of customs and laws can very easily be a cloak for a lie so subtle that our fellow human beings are unable to detect it.

Nothing worse could happen to one than to be completely understood.

Paul hardly ever allows the real Jesus of Nazareth to get a word in.

A sign is always less than the thing it points to, and a symbol is always more than we can understand at first sight. Therefore we stop at the sign but go on to the goal it indicates; but we remain with the symbol because it promises more than it reveals.

Science is not ... a perfect instrument, but it is a superb and invaluable tool that works harm only when taken as an end in itself.