The effects of mescalin or LSD can be, in some respects, far more satisfying than those of alcohol. To begin with, they last longer; they also leave behind no hangover, and leave the mental faculties clear and unimpaired. They stimulate the faculties and produce the ideal ground for a peak experience.

As a young man I was scornful about the supernatural but as I have got older, the sharp line that divided the credible from the incredible has tended to blur; I am aware that the whole world is slightly incredible

Could it be that sexual perversion and romanticism sprang from the same longing for distant horizons?

If you asked me what is the basis of all my work, it's the feeling there's something basically wrong with human beings.

The Americans have always been more open to my ideas. In fact, I could earn a living in America just by lecturing. One of my brightest audiences, incidentally, were the prisoners in a Philadelphia gaol - brighter than my students at university.

Ask the Outsider what he ultimately wants,and he will admit he doesn't know.Why? Because he wants it instinctively,and it is not always possible to tell what your instincts are driving towards.

Isaiah Berlin once said that there are two kinds of writers, hedgehogs and foxes. He said the fox knows many things, the hedgehog knows just one thing. So Shakespeare is a typical fox; Tolstoy and Dostoyevsky are typical hedgehogs. Now, I'm a typical hedgehog. I know just one thing, and I repeat it over and over again. I try to approach it from different angles to make it look different, but it's the same thing.