In every one, he paints a little black boy wearing a red scarf - that's his signature, ... He used to paint each one over and over obsessively. I told him, `Paul, you're never going to finish them if you keep doing that.

A 'thank-you' means more than we ever think.

I help many artists, who often don't want the world at their doorstep, bring their art to people who wouldn't normally see it.

I've been collecting since college, ... When we're children, we're taught to draw in the lines, use certain colors. In this art, the talent and the creativity we had as children hasn't been squashed. The early stuff is still there.