He stepped to the window and pointed to the skyscrapers of the city. He said that we had to extinguish the lights of the world, and when we would see the lights of New York go out, we would know that our job was done.

I never found beauty in longing for the impossible and never found the possible to be beyond my reach.

Everyone has the right to make his own decisions, but none has the right to force his decision on others.

Emotions are not tools of cognition. They tell you nothing about the nature of reality.

Sacrifice is the surrender of that which you value in favor of which you dont

Contrary to the ecologists, nature does not stand still and does not maintain the kind of equilibrium that guarantees the survival of any particular species - least of all the survival of her greatest and most fragile product: man.

An idea is a light turned on in a man's soul. Comic-strip artists are in the habit of representing it by means of a light bulb flashing on, above the head of a character who has suddenly grasped an idea. In simple, primitive terms, this is an appropriate symbol.