I see a bright future for the biotechnology industry when it follows the path of the computer industry, the path that von Neumann failed to foresee, becoming small and domesticated rather than big and centralized.

Technology must be guided and driven by ethics if it is to do more than provide new toys for the rich.

The laws of nature are constructed in such a way as to make the universe as interesting as possible.

Well germ warfare of course exists. There have been on a small scale... There have been, of course, a few people who got killed with anthrax right here in Princeton.

[John Wheeler] rejuvenated general relativity; he made it an experimental subject and took it away from the mathematicians

The purpose of thinking about the future is not to predict it but to raise people's hopes.

Science is not a collection of truths. It is a continuing exploration of mysteries.