Once you start painting, you could of course get lost. I mean you get out of yourself, you don't know whether you're thinking, you just act actually sometimes.

It's all one to me: opera, painting, drawing, faxes.

On the 31st of October 2011 year, I had a mini-stroke. I couldn't finish my sentences. So I went to the doctor. It was a tiny one. The speech came back in a month or so. I did notice I could draw even better, I felt. I was concentrating more. And I wasn't talking much, but I was drawing. I said, "Well, I don't have to talk much."

OH, I LIKE smoking, I do. I smoke for my health, my mental health. Tobacco gives you little pauses, a rest from life. I don't suppose anyone smoking a pipe would have road rage, would they?

Cubism was an attack on the perspective that had been known and used for 500 years. It was the first big, big change. It confused people: they said, 'Things don't look like that!'

I worked in the NHS as a hospital orderly during my national service, and people thought it was a noble service. But over the years it's lost its humanity.

I see the iPad as a wonderful new drawing medium, but I am at a loss as to how to make it pay.