James Martin, S.J., explains why joy and laughter are essential to the spiritual life and why they have been too often neglected in the church. Discussing his new book, Between Heaven and Mirth, Fr. Martin retells some humorous stories from the Bible, and remembers the lives of light-hearted saints like Philip Neri. He also shares why he finds joy in his vocation and how he remains joyful even in difficult times. Illustrations by Anita Kunz.