I put a lot of effort into writing 'A Briefer History' at a time when I was critically ill with pneumonia because I think that it's important for scientists to explain their work, particularly in cosmology. This now answers many questions once asked of religion.

Once I wept for I had no shoes. Then I met a man with no feet, so I took his shoes. I mean, it wasn't as if he was going to need them.

We've created life in our own image.

If you are lucky enough to find love, remember it is there and don't throw it away.

Why are we here? Where do we come from? Traditionally, these are questions for philosophy, but philosophy is dead.

Our population and our use of the finite resources of planet Earth are growing exponentially, along with our technical ability to change the environment for good or ill.

We each exist for but a short time, and in that time explore but a small part of the whole universe