Rabbi Moshe Taragin of Yeshivat Har Etzion in Gush Etzion is the scholar-in-residence at Congregation Beth Aaron in Teaneck. After Musaf on Shabbat, he will talk about “The Two Books of Har Sinai,” and between Mincha at 5 p.m. and Maariv at 6:05, the topic will be “Living Through a Redemption ‘In Stages.’” 950 Queen Anne Road. (201) 836-6210.