(On the energy radiated by the Sun) It's four hundred million million million million watts. That is a million times the power consumption of the United States every year, radiated in one second, and we worked that out by using some water, a thermometer, a tin, and an umbrella. And that's why I love physics.

Don't undermine the science just because you don't like the economics. That's a dangerous slope, because the problem of course is you're not undermining just that, you're undermining the basis of rational decision-making in society.

Science is too important not to be a part of popular culture.

The fact is that Hollywood, from as early as the sixties to the present time, has ghettoized cinema into the big industry, a marketing industry. In doing this, the audiences have lost touch with the aspects of film which were to be informative and educational and even spiritual.

Every carbon atom in every living thing on the planet was produced in the heart of a dying star.

In a sense I feel very much a part of the cinema now in a way where when I come back to the theater now I feel like a visitor. The cinema is really what I enjoy. I want to do more independent movies.

The correct statement of individual rights is that everyone has the right to an opinion, but crucially, that opinion can be roundly ignored and even made fun of, particularly if it is demonstrably nonsense!