I remember sitting in the Beth Shalom synagogue in Cambridge on the night of Kol Nidre. Peter Lipton, a friend and an atheist philosopher, was giving a sermon on the theme of “atonement:” “If we treat another person as essentially bad, we dehumanize him or her. If we take the view that every human being has some good in them, even if it is only 0.1 percent of their makeup, then by focusing on their good part, we humanize them. By acknowledging and attending to and rewarding their good part, we allow it to grow, like a small flower in a desert.