You sit at the board and suddenly your heart leaps. Your hand trembles to pick up the piece and move it. But what chess teaches you is that you must sit there calmly and think about whether it's really a good idea and whether there are other, better ideas.

I will say that the God concept is at the heart of 2001 but not any traditional, anthromorphic image of God. I don't believe in any of Earth's monotheistic religions, but I do believe that one can construct an intriguing scientific definition of God, once you accept the fact that there are approximately 100 billion stars in our galaxy alone, that each star is a life-giving sun and that there are approximately 100 billion galaxies in just the visible universe.

No philosophy based on an incorrect view of the nature of man is likely to produce social good.

The very meaninglessness of life forces man to create his own meaning. If it can be written or thought, it can be filmed.

Bad films gave me the courage to try making a movie

The hardest thing in making a movie is to keep in the front of your consciousness your original response to the material. Because that's going to be the thing that will make the movie. And the loss of that will break the movie.

Anybody who runs is a VC. Anybody who stands still is a well-disciplined VC.