Life is a journey, but don't worry, you'll find a parking spot at the end.

Any system which allows men to choose their own future will end by choosing safety and mediocrity, and in such a Reality the stars are out of reach.

I do not fear computers. I fear the lack of them.

The world of A.D. 2014 will have few routine jobs that cannot be done better by some machine than by any human being. Mankind will therefore have become largely a race of machine tenders.

All of a sudden, space isn't friendly. All of a sudden, it's a place where people can die. . . . Many more people are going to die. But we can't explore space if the requirement is that there be no casualties; we can't do anything if the requirement is that there be no casualties.

Science doesn't purvey absolute truth. Science is a mechanism... for testing your thoughts against the universe.

The Bible contains legendary, historical, and ethical contents. It is quite possible to consider them separately, and one doesn't have to accept the legends in order to get the ethics. Fundamentalists make a grave mistake to insist on the letter of the writings, because they drive away many who can't swallow the Adam-and-Eve bit.