As a scientist, you feel a sense of team spirit for your country but you also have a sense of team spirit for the international community.

It is a tough choice between ending up in the cold or ending up in a fiery blast.

From our point of view, the most exciting thing would be if we discovered something really fundamental in our understanding was just off a bit - and that now we have a chance to revisit it

We have a remarkably complete picture in many ways - and it could be that we're not accounting for something that's almost three-quarters of the entire universe

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

Astronomers ought to be able to ask fundamental questions without accelerators

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.