Without ethics, everything happens as if we were all five billion passengers on a big machinery and nobody is driving the machinery. And it's going f….

I am absolutely enraptured by the atmosphere of a wreck. A dead ship is the house of a tremendous amount of life-fish and plants. The mixture of life….

Population growth is the primary source of environmental damage..

We forget that the water cycle and the life cycle are one..

It's terrible to have to say this. World population must be stabilized and to do that we must eliminate 350,000 people per day. This is so horrible t….

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….

The impossible missions are the only ones which succeed..

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..

We know how to organize warfare, but do we know how to act when confronted with peace?.

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..

I am not a scientist. I am, rather, an impresario of scientists..

No sooner does man discover intelligence than he tries to involve it in his own stupidity..

If we go on the way we have, the fault is our greed and if we are not willing to change, we will disappear from the face of the globe, to be replaced….

Man, of all the animals, is probably the only one to regard himself as a great delicacy..