“She could have wept. It was bad, it was bad, it was infinitely bad! She could have done it differently of course; the colour could have been thinned and faded; the shapes etherealised; that was how Paunceforte would have seen it. But then she did not see it like that. She saw the colour burning on a framework of steel; the light of a butterfly’s wing lying upon the arches of a cathedral.”