Mathematics would certainly have not come into existence if one had known from the beginning that there was in nature no exactly straight line, no actual circle, no absolute magnitude.

This is one of the stout-hearted old warriors: he is angry with civilization because he supposes that its aim is to make all goodthings--honors, treasures, beautiful women--accessible even to cowards.

One is punished best for one's virtues.

Sometimes it is harder to accede to a thing than it is to see its truth.

Christianity has a hunter's instinct for finding out all those who by one means or another may be driven to despair -although only a part of mankind is capable of such despair. Christianity lies in wait for such as those and pursues them

Whatever we think about and question a lot becomes questionable.

No one lies so boldly as the man who is indignant.