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?
In order to remain true to oneself one ought to renounce one's party three times a day.
God, that checkroom of our dreams.
The nobility of a human being is strictly independent of that of his convictions.
Science has made us gods even before we are worthy of being men.
Kill one man and you're a murderer, kill a million and you're a conqueror.