Shut the door, they're coming through the window, shut the window, they're coming through the door," are the words to an old song. They fit my lifestyle with newly arriving butcher/censors every month. Only six weeks ago, I discovered that, over the years, some cubby-hole editors at Ballantine Books, fearful of contaminating the young, had, bit by bit, censored some 75 separate sections from the novel. Students, reading the novel which, after all, deals with censorship and book-burning in the future, write to tell me of this exquisite irony.

To sum it all up, if you want to write, if you want to create, you must be the most sublime fool that God ever turned out and sent rambling. You must write every single day of your life. You must write dreadful dumb books and glorious books, and let them wrestle in beautiful fights inside your head, vulgar one moment, brilliant the next.

We are all . . . children of this universe. Not just Earth, or Mars, or this system, but the whole grand fireworks. And if we are interested in Mars at all, it is only because we wonder over our past and worry terribly about our possible future.

Grandfather's been dead all these years, but if you lifted my skull, by God, in the convolutions of my brain you'd find the big ridges of his thumbprint. He touched me. As I said earlier, he was a sculptor. 'I hate a Roman named Status Quo!' he said to me. 'Stuff your eyes with wonder,' he said, 'live as if you'd drop dead in ten seconds. See the world. It's more fantastic than any dream made or paid for in factories.

We're all watching each other, so there's no chance for censorship. The main problem is the idiot TV. If you watch local news, your head will turn to mush.

You learn to live with your crazy enthusiasms which nobody else shares, and then you find a few other nuts like yourself, and they're your friends for a lifetime. That's what friends are, the people who share your crazy outlook and protect you from the world, because nobody else is going to give a damn what you're doing, so you need a few other people like yourself.

I felt a bit bookish, cut off from life.