We spend our time envying people whom we wouldn't wish to be.
Science has made us gods even before we are worthy of being men.
Being right is less important to us than the freedom to be wrong.
Kill one man, and you are a murderer. Kill millions of men, and you are a conqueror. Kill them all, and you are a god.
Falsity cannot keep an idea from being beautiful; there are certain errors of such ingenuity that one could regret their not ranking among the achievements of the human mind.
One must credit an hypothesis with all that has had to be discovered in order to demolish it.
To love an idea is to love it a little more than one should.
Certain brief sentences are peerless in their ability to give one the feeling that nothing remains to be said.
A man is not old as long as he is seeking something.
It is sometimes important for science to know how to forget the things she is surest of.
Stupidity, outrage, vanity, cruelty, iniquity, bad faith, falsehood - we fail to see the whole array when it is facing in the same direction as we.
To be adult is to be alone.
The nobility of a human being is strictly independent of that of his convictions.
Beauty in art is often nothing but ugliness subdued.
Think? Why think! We have computers to do that for us.
Never feel remorse for what you have thought about your wife; she has thought much worse things about you.
A few great minds are enough to endow humanity with monstrous power, but a few great hearts are not enough to make us worthy of using it.
Theories pass. The frog remains.
We must watch over our modesty in the presence of those who cannot understand its grounds.
Kill one man, and you are murderer
There are big and little truths, but all belong to the same race.
Truth is always served by great minds, even if they fight it.
Renown? I've already got more of it than those I respect, and will never have as much as those for whom I feel contempt..
Le biologiste passe, la grenouille reste.
The biologist passes, the frog remains.
It is sometimes well for a blatant error to draw attention to overmodest truths.
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