Brian Eno and I have twice performed a musical version of Sum, once at the Sydney Opera House, and once at the Brighton Dome. Learn more.

Our ignorance of the cosmos is too vast to commit to atheism, and yet we know too much to commit to a particular religion. A third position, agnosticism, is often an uninteresting stance in which a person simply questions whether his traditional religious story is true or not true. I call myself a possibilian. Find out why.