One cannot ignore half of life for the purposes of science, and then claim that the results of science give a full and adequate picture of the meaning of life. All discussions of 'life' which begin with a description of man's place on a speck of matter in space, in an endless evolutionary scale, are bound to be half-measures, because they leave out most of the experiences which are important to use as 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.

One cannot ignore half of life for the purposes of science, and then claim that the results of science give a full and adequate picture of the meaning of life. All discussions of 'life' which begin with a description of man's place on a speck of matter in space, in an endless evolutionary scale, are bound to be half-measures, because they leave out most of the experiences which are important to use as human beings.

Christianity was an epidemic rather than a religion. It appealed to fear, hysteria and ignorance. It spread across the Western world, not because it was true, but because humans are gullible and superstitious.

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.

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

But Zarathustra made it clear in which direction the answer lay; it is towards the artist-psychologist, the intuitional thinker. There are very few such men in the world's literature; the great artists are not thinkers, the great thinkers are seldom artists.