This classic work analyzes and embraces the tension between Torah study and secular learning by exploring the philosophies of Moses Maimonides, Samson Raphael Hirsch, Abraham Isaac Kook and other influential Jewish thinkers. Challenging, illuminating and synthesizing, it offers a seminal mission statement for modern Orthodoxy. This special, 20th anniversary edition includes a new preface by the author and an afterword by Rabbi Jonathan Sacks.