A common denominator in every single nuclear accident - a nuclear plant or on a nuclear submarine - is that before the specialists even know what has happened, they rush to the media saying, 'There's no danger to the public.' They do this before they themselves know what has happened because they are terrified that the public might react violently, either by panic or by revolt.

Overconsumption and overpopulation underlie every environmental problem we face today

The impossible missions are the only ones which succeed.

What is a scientist after all? It is a curious man looking through a keyhole, the keyhole of nature, trying to know what's going on.

Man has only to sink beneath the surface and he is free.

And let us remember too that life, in its exuberance, always succeeds in overflowing the narrow limits within which man thinks he can confine it.

For most of history, man has had to fight nature to survive; in this century he is beginning to realize that, in order to survive, he must protect it.