Whether we are based on carbon or on silicon makes no fundamental difference we should each be treated with appropriate respect.

It must be wonderful to be seventeen, and to know everything.

The intelligent minority of this world will mark 1 January 2001 as the real beginning of the 21st century and the Third Millennium.

The universe must be full of voices, calling from star to star in a myriad tongues. One day we shall join that cosmic conversation.

Creationism, perhaps the most pernicious of the intellectual perversions now afflicting the American public.

I'm sure the universe is full of intelligent life. It's just been too intelligent to come here.

It is really quite amazing by what margins competent but conservative scientists and engineers can miss the mark, when they start with the preconceived idea that what they are investigating is impossible.