Dennis Potter

Cain slew Abel. On that much the Torah and the Bible and the Qur'an agree, although in the Qur'an these first sons of Adam and Eve are Qabeel and Habeel. Cain, which is to say Qabeel, wandered eastwards from Eden to the Land of Nod with a mark of some kind on him, a curse.

What I look for when I see a piece of art for the first time is some kind of emotional, intellectual experience, that's a combination of both of those things and is informed by my knowledge and something new that I see the artist doing.