Honest unaffected distrust of human abilities under all circumstances is the surest sign of strength of mind.

Man is a masterpiece of creation . . .

Many a man who is willing to be shot for his belief in a miracle would have doubted, had he been present at the miracle itself.

Even truth needs to be clad in new garments if it is to appeal to a new age.

The pleasures of the imagination are as it were only drawings and models which are played with by poor people who cannot afford the real thing.

To make astute people believe one is what one is not is, in most cases, harder than actually to become what one wishes to appear.

We have to believe that everything has a cause, as the spider spins its web in order to catch flies. But it does this before it knows there are such things as flies.