If I knew what was going to happen in ten years I would do it now. I just follow my nose.

To confine our attention to terrestrial matters would be to limit the human spirit.

Real science can be far stranger than science fiction and much more satisfying.

There are plenty of dead scientists I admire, but I can't think of any living ones. This is probably because it is only in retrospect that one can see who made the important contributions.

I wouldnt be here today if it were not for the NHS, I have received a large amount of high-quality treatment without which I would not have survived.

Although September 11 was horrible, it didn't threaten the survival of the human race, like nuclear weapons do.

The fact that no one understands you doesn't mean you're an artist.