When you live for many hundreds of years, you know that every opportunity will come again.

If there is a war to be fought, we don’t consider cost one of the factors in deciding whether or not to fight.

Looking at them now, thought Jim, you'd never believe they weren't in love with each other, and not with a hopeless, doomed obsession like poor Isabel Meredith. This was what love ought to be like: playful and passionate and teasing, and dangerous, too, with sharp intelligence in it.

The best way to get kids to read a book is to say: 'This book is not appropriate for your age, and it has all sorts of horrible things in it like sex and death and some really big and complicated ideas, and you're better off not touching it until you're all grown up. I'm going to put it on this shelf and leave the room for a while. Don't open it.

If a coin comes down heads, that means that the possibility of its coming down tails has collapsed. Until that moment the two possibilities were equal. But on another world, it does come down tails. And when that happens, the two worlds split apart.

People are too complicated to have simple labels.

I have maintained a passionate interest in education, which leads me occasionally to make foolish and ill-considered remarks alleging that not everything is well in our schools. My main concern is that an over-emphasis on testing and league tables has led to a lack of time and freedom for a true, imaginative and humane engagement with literature.