Rosh Hashanah, the Baal Shem Tov taught, is a game of hide and seek. G‑d hides, we seek. But where can G‑d hide? Wherever you go, there He is. As the Zohar says, “There is no place void of Him.” Rather, what the Baal Shem Tov meant is more like peek-a-boo—when parents hides behind their own fingers. So too, G‑d hides Himself within the guise of an awesome, indifferent king, judging His subjects strictly by the book until the most sublime angels shiver in dread. And we seek. We seek the father behind the stern voice. We are...