One kills a man, one is an assassin; one kills millions, one is a conqueror; one kills everybody, one is a god.

Science has made us gods even before we are worthy of being men.

What scientist would not long to go on living, if only to see how the little truths he has brought to light will grow up?

Never feel remorse for what you have thought about your wife; she has thought much worse things about you.

We find it easy to believe that praise is sincere: why should anyone lie in telling us the truth?

Literature: proclaiming in front of everyone what one is careful to conceal from one's immediate circle

God, that checkroom of our dreams.