On the Upper West Side lived an assimilated Jew who was a militant atheist. But, he sent his son to Trinity School because, despite its denominational roots, it's a great school, and completely secular. After a month, the boy comes home and says casually, "By the way Dad, do you know what ‘Trinity’ means? It means the Father, the Son, and the Holy Ghost." The father can barely control his rage. He seizes his son by the shoulders and declares, "Son, I'm going to tell you something now, and I want you never to forget it. There is only one G-d — and we don't believe in Him!"