There is today a frightful disappearance of living species, be they plants or animals. And it's clear that the density of human beings has become so great, if I can say so, that they have begun to poison themselves. And the world in which I am finishing my existence is no longer a world that I like.

The scientist is not a person who gives the right answers, he is one who asks the right questions.

I am the place in which something has occurred.

There is one fact that can be established. The only phenomenon which, always and in all parts of the world, seems to be linked with the appearance of writing

I think that a society cannot live without a certain number of irrational beliefs. They are protected from criticism and analysis because they are irrational.

I have never known so much naive conviction allied to greater intellectual poverty.

Just as the individual is not alone in the group, nor anyone in society alone among the others, so man is not alone in the universe.