If you can't stand your own company alone in a room for long hours, or, when it gets tough, the feeling of being in a locked cell, or, when it gets tougher still, the vague feeling of being buried alive-then don't be a writer.

I am struck by the way people behave on the Tube. They look at each other beadily and inquisitively, and something goes on in their thoughts which must be equivalent to the way dogs and other animals, when they meet, sniff each other's arses and nuzzle each other's fur.

Ah, children, pity level-crossing keepers, pity lock-keepers - pity lighthouse-keepers - pity all the keepers of this world (pity even school teachers), caught between their conscience and the bleak horizon.

That's the way it is: life inculdes a lot of empty space. We are one-tenth living tissue, nine-tenths water; life is one-tenth Here and Now, nine-tenths a history lesson. For most of the time the Here and Now is neither now nor here.

The real art is not to come up with extraordinary clever words but to make ordinary simple words do extraordinary things. To use the language that we all use and to make amazing things occur.

London is like no other city I know in its ability to become beautiful. You can suddenly turn a corner and there are odd moments - of light, of weather.

People die when curiosity goes.