If kids like a picture book, they're going to read it at least 50 times. Read anything that often, and even minor imperfections start to feel like gravel in the bed.

You love someone, you've got to let something go.

Show me the artist anywhere who's had an utterly stable mental life, and I'll buy you hot dinners for the rest of your life.

No one wants to know how clever you are. They don't want an insight into your mind, thrilling as it might be. They want an insight into their own.

As a teenager, I was always this strange mixture of kind of vice-captain of the rugby team and sensitive artist type the rest of the time. I was sent away to this public school in the middle of nowhere, and I think we managed to completely miss out on normal youth culture.

For me, disability is a way of getting some extremity, some kind of very difficult situation, that throws an interesting light on people.

And what he meant was that maths wasn't like life because in life there are no straightforward answers in the end