Light is important to us humans. It influences our moods, our perceptions, our energy levels. A face glimpsed among trees, dappled by the shadows and the green-tinged light reflected from the forest, will seem quite different to the same face seen on a beach in hard, dry, sunlight, or in a darkening room at twilight, with the shadows of a venetian blind striped across it like a convict’s uniform.

Don't treat people as you think they are, treat them as you think they are capable of becoming.

A few people would suffer, but a lot of people would be better off.' 'It's just not right,' said Kevin stubbornly. 'Maybe not. But neither's your way of looking at it. There doesn't have to be a right side and a wrong side. both sides can be right, or both sides can be wrong.

I can't describe the feeling when I go down - it's down down down and there's never going to be an up again. And whatever was good isn't good any more; white becomes grey, music becomes dictionaries, honey becomes beer and the sky a curdled lemon. There's no caramel anymore.

We had enough years in front of us to be serious and grown-up and respectable. Why rush it? But on the other hand we always complained when teachers and other adults treated us as kids. In fact there was nothing that annoyed me more. So it was a frustrating situation. What we needed was a two-sided badge that said 'Mature' on one side and 'Childish' on the other. Then at any moment we could turn it to whatever side we felt like being and the adults could treat us accordingly.

There's no room for anything else. You forget that you're tired or cold or hungry. You forget that banged-up knee and your aching tooth. You forget the past, and you forget that there's such a thing as a future.

It's good to keep changing your mind. It shows you're thinking. I'll only stop changing my mind when I'm dead. And maybe not even then.