People say that you always have to tell the truth. But they do not mean this because you are not allowed to tell old people that they are old and you are not allowed to tell people if they smell funny or if a grown-up has made a fart. And you are not allowed to say, 'I don't like you,' unless that person has been horrible to you.

Being clever was when you looked at how things were and used the evidence to work out something new.

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.

Humour and high seriousness... Perfect bedfellows, I think. Though I usually phrase it in terms of comedy and darkness. Comedy without darkness rapidly becomes trivial. And darkness without comedy rapidly becomes unbearable.

At teenage parties he was always wandering into the garden, sitting on a bench in the dark . . . staring up at the constellations and pondering all those big questions about the existence of God and the nature of evil and the mystery of death, questions which seemed more important than anything else in the would until a few years passed and some real questions had been dumped into your lap, like how to earn a living, and why people fell in and out of love, and how long you could carry on smoking and then give up without getting lung cancer.

Family, that slippery word, a star to every wandering bark, and everyone sailing under a different sky.

And because there is something they can’t see people think it has to be special, because people always think there is something special about what they can’t see, like the dark side of the moon, or the other side of a black hole, or in the dark when they wake up at night and they’re scared.