However well organised the foundations of life may be, life must always be full of risks.
The place where optimism most flourishes is the lunatic asylum.
A religion can no more afford to degrade its Devil than to degrade its God.
What we call 'morals' is simply blind obedience to words of command.
The mathematician has reached the highest rung on the ladder of human thought.
All the art of living lies in a fine mingling of letting go and holding on.