"He was eccentric, he was unpredictable, and he was entertaining, had an enormous sense of fun, but he would be very close to probably the most widely read man that I've met, in terms of the breadth of subjects that he read about: spiritual aspects or physical aspects or mental aspects, or art, or science or saints or devils … Underneath it all there was a sort of sound philosophy based on "Let's improve ourselves as human beings, let's become more compassionate, let's become bigger, let's become stronger, let's become nicer people.""

"To become great, whether an artist, a musician, a writer, a philosopher or creator or scientist, even as one great in sport, the secret lies, assuming there is some native ability in the first place, in one factor above all others – emotion."

"You only ever grow as a human being if you're outside your comfort zone."