If you ask almost any of them, do you stand behind your theory, is this the answer, I think they would almost every one say that no, no, no, I'm just trying to expand the range of possibilities. We really don't know what is going on.

Your job as a scientist is to figure out how you're fooling yourself.

So it's possible that someday, by understanding a little bit more about how the world works, it will come back to help us in some other way that will be surprising

It seemed like my favourite kind of job - a wonderful chance to ask something absolutely fundamental: the fate of the Universe and whether the Universe was infinite or not

There are still so many questions to answer. When you look at any part of the universe, you have to feel humbled.

Probably the single most important thing about the Nobel Prize for most people is whether they get the coveted parking space on campus.

It's an unusual opportunity, a chance for so many people to share in the excitement and the fun of the fact that we may be on to hints as to what the Universe is made out of. I guess the whole point of a prize like this is to be able to get that out into the community