In one of his earliest encyclicals, Dives in Misericordia, Pope John Paul II explored the concepts of mercy and kindness, with a focus on notions of divine love and compassion. Building upon these observations, and drawing extensively on the work of Rabbi Joseph Soloveitchik and other scholars of Jewish law and philosophy, Levine considers the complementary roles of justice and mercy in Jewish tradition. Toward that end, Levine places these concepts in a broader perspective, viewing mercy as representative of attributes such as kindness, compassion, love, and peacefulness, while understanding justice in terms of more exacting principles, such as strict adherence to truth and objective logic. Levine begins with a look at the figure of Abraha...