Leviticus seemed to me to be an obscure book, meant only for the Jewish audience for whom the rules were a way of life. Then I met Jacob Milgrom, a professor at Hebrew University. He lectured in the downstairs bunker that belonged to Albert Einstein on the Mount Scopus campus to a group of college students from California. Worn out from our explorations of the rabbinical tunnels, I expected the weariness to increase because the topic of the day was Leviticus. Instead, Professor Milgrom lectured long past his ninety minutes, and still, the students did not want him to leave. The first big truth to hit me about the complicated…