I would probably have more in common with a whale than with a bourgeois married couple employed at worthy institutions that I would wipe from the face of the earth if it was given to me to do so.

A political event was that I met Fidel Castro, the Cuban revolutionary. He is a young, intelligent guy, very sure of himself and extraordinarily audacious; I think we hit it off well.

Many will call me an adventurer - and that I am, only one of a different sort: one of those who risks his skin to prove his platitudes.

Above all, always be capable of feeling deeply any injustice committed against anyone, anywhere in the world. This is the most beautiful quality in a revolutionary.

Normal science does not aim at novelties of fact or theory and, when successful, finds none.

Whether conservative or liberal, fundamentalist or agnostic, the more students learn of biology, the more they accept evolution.

My daughter does not travel with me. She has a much more stress-free life at home with her daddy.

Acting in more science fiction films would be fine by me. I love doing them.