“But reason didn't play a big part in the guilt I'd felt, deep in my heart, since the moment I'd seen his dead face beneath its shroud of snow. Once I'd faced it, I couldn't shake the shame. And somehow, the blame and repining sorrow changed me. I felt the vengeful stone fall from the hating hand that had wanted to throw it. I felt light, as if light itself filled me and lifted me up. And I felt free - free enough to pity Madame Zhou, and even to forgive her.”