A lot of prizes have been awarded for showing the universe is not as simple as we might have thought.

The past, like the future, is indefinite and exists only as a spectrum of possibilities.

It was recently discovered that research causes cancer in rats.

Mankind's greatest achievements have come about by talking and its greatest failures by not talking. It doesn’t have to be like this.

Without imperfection, you or I would not exist.

It is no good getting furious if you get stuck. What I do is keep thinking about the problem but work on something else. Sometimes it is years before I see the way forward. In the case of information loss and black holes, it was 29 years.

We think we have solved the mystery of creation. Maybe we should patent the universe and charge everyone royalties for their existence.