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.

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

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.

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

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.

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

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