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

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

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 n….

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..

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..

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….

If a given scientist had not made a given discovery, someone else would have done so a little later. Johann Mendel dies unknown after having discover….

Le biologiste passe, la grenouille reste. The biologist passes, the frog remains..

Kill one man and you're a murderer, kill a million and you're a conqueror..

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

We are not naïve enough to ask for pure men; we ask merely for men whose impurity does not conflict with the obligations of their job..

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

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

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

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

To be adult is to be alone..

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 ….

Beauty in art is often nothing but ugliness subdued..

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

It is horrible to see everything that one detested in the past coming back wearing the colors of the future..

What makes our opponents useful is that they allow us to believe that without them we would be able to realize our goals..