To receive applause for works which do not demand all our powers hinders our advance towards a perfecting of our spirit. It usually means that thereafter we stand still.

The Greeks possessed a knowledge of human nature we seem hardly able to attain to without passing through the strengthening hibernation of a new barbarism.

The most dangerous untruths are truths slightly distorted.

The most successful tempters and thus the most dangerous are the deluded deluders.

I cannot say whether things will get better if we change; what I can say is they must change if they are to get better.

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.

I made the journey to knowledge like dogs who go for walks with their masters, a hundred times forward and backward over the same territory; and when I arrived I was tired.