“A body of work such as Pasteur's is inconceivable in our time: no man would be given a chance to create a whole science. Nowadays a path is scarcely opened up when the crowd begins to pour in.”

“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.”

“A man is not old as long as he is seeking something.”

“A married couple are well suited when both partners usually feel the need for a quarrel at the same time.”

“Already at the origin of the species man was equal to what he was destined to become.”

“Beauty in art is often nothing but ugliness subdued.”

“Certain brief sentences are peerless in their ability to give one the feeling that nothing remains to be said.”

“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.”

“God, that dumping ground of our dreams.”

“Greatness, in order to gain recognition, must all too often consent to ape greatness.”

“Hatred, for the man who is not engaged in it, is a little like the odor of garlic for one who hasn't eaten any.”

“I don't judge a regime by the damning criticism of the opposition, but by the ingenuous praise of the partisan.”

“I prefer the honest jargon of reality to the outright lies of books.”

“I should have no use for a paradise in which I should be deprived of the right to prefer hell.”

“I still understand a few words in life, but I no longer think they make a sentence.”

“I think I am one of those who can manage not to take on a completely different appearance under their own glance.”

“In order to remain true to oneself one ought to renounce one's party three times a day.”

“In politics, yesterday's lie is attacked only to flatter today's.”

“It is not easy to imagine how little interested a scientist usually is in the work of any other, with the possible exception of the teacher who backs him or the student who honors him.”

“It is sometimes important for science to know how to forget the things she is surest of.”

“It is sometimes well for a blatant error to draw attention to overmodest truths.”

“It may offend us to hear our own thoughts expressed by others: we are not sure enough of their souls.”

“It takes a very deep-rooted opinion to survive unexpressed.”

“My pessimism extends to the point of even suspecting the sincerity of other pessimists.”

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

“Nothing is more admirable than the fortitude with which millionaires tolerate the disadvantages of their wealth.”

“Nothing leads the scientist so astray as a premature truth.”

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

“One must credit an hypothesis with all that has had to be discovered in order to demolish it.”

“One must either take an interest in the human situation or else parade before the void.”

“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.”

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

“Somebody told me I should put a pebble in my mouth to cure my stuttering. Well, I tried it, and during a scene I swallowed the pebble. That was the end of that.”

“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.”

“Take heed of critics even when they are not fair; resist them even when they are.”

“The books one has written in the past have two surprises in store: one couldn't write them again, and wouldn't want to.”

“The divine is perhaps that quality in man which permits him to endure the lack of God.”

“The ideal, without doubt, varies, but its enemies, alas, are always the same.”

“The least one can say of power is that a vocation for it is suspicious.”

“The nobility of a human being is strictly independent of that of his convictions.”

“Theories pass. The frog remains.”

“There are certain moments when we might wish the future were built by men of the past.”

“There are moments when very little truth would be enough to shape opinion. One might be hated at extremely low cost.”

“Think? Why think! We have computers to do that for us.”

“To be adult is to be alone.”

“To love an idea is to love it a little more than one should.”

“To reflect is to disturb one's thoughts.”

“To say of men that they are bad is to say they are worse than we think we are, or worse than the ideal man whose image we have built up on the basis of a certain few.”

“Truth is always served by great minds, even if they fight it.”

“We must watch over our modesty in the presence of those who cannot understand its grounds.”

“We spend our time envying people whom we wouldn't wish to be.”

“When a scientist is ahead of his times, it is often through misunderstanding of current, rather than intuition of future truth. In science there is never any error so gross that it won't one day, from some perspective, appear prophetic.”