People think that alien spaceships would be solid and made of metal and have lights all over them and move slowly through the sky because that is how we would build a spaceship if we were able to build one that big. But aliens, if they exist, would probably be very different from us. They might look like big slugs, or be flat like reflections. Or they might be bigger than planets. Or they might not have bodies at all. They might just be information, like in a computer. And their spaceships might look like clouds, or be made up of unconnected objects like dust or leaves.

There's something rather wonderful about the fact that Oxford is a very small city that contains most of the cultural and metropolitan facilities you could want, in terms of bookshops, theatre, cinema, conversation. But it's near enough to London to get here in an hour, and it's near enough to huge open spaces without which I would go insane.

Then he asked if I didn’t like things changing. And I said I wouldn’t mind things changing if I became an astronaut, for example, which is one of the biggest changes you can imagine, apart from becoming a girl or dying.

I've worked in television long enough to know that when you stop enjoying that type of thing you go home and do something else.

Everyone has learning difficulties, because learning to speak French or understanding relativity is difficult.

And Father said, "Christopher, do you understand that I love you?" And I said "Yes," because loving someone is helping them when they get into trouble, and looking after them, and telling them the truth, and Father looks after me when I get into trouble, like coming to the police station, and he looks after me by cooking meals for me, and he always tells me the truth, which means that he loves me.

And it occurred to him that there were two parts to being a better person. One part was thinking about other people. The other part was not giving a toss what other people thought.