'Ever seen a leaf - a leaf from a tree?' 'Yes.' I saw one recently - a yellow one, a little green, wilted at the edges. Blown by the wind. When I was a little boy, I used to shut my eyes in winter and imagine a green leaf, with veins on it, and the sun shining ...' 'What's this - an allegory?' "No; why? Not an allegory - a leaf, just a leaf. A leaf is good. Everything's good.'