It was recently discovered that research causes cancer in rats.

I'm very interested in film making. It's telling a story, fiction or non-fiction. I have been filmed quite a lot. Contrary to popular belief, filming isn't glamorous. It can be wearingly repetitious, as the same shot is taken over and over again.

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

It's the gravity that shapes the large scale structure of the universe, even though it is the weakest of four categories of forces

The moment you understand the whole Universe, is the moment you slightly begin to understand the way God's mind works

Someone told me that each equation I included in the book would halve the sales.

Then we shall... be able to take part in the discussion of the question of why it is that we and the universe exist. If we find the answer to that, it would be the ultimate triumph of human reason - for then we would know the mind of God.