IN a memorable retreat integrating deep meditation practices with discourses on the nature and interrelationship of spirituality, the universe, and everyday life in the world, Sufi master Pir Vilayat Inayat Khan urges us to consider a retreat as a rehearsal for life. "Discover yourself by becoming, by doing. The retreat situation marks a halt in which we step out of our normal mode of existence in order to reflect upon our lives and gain more clarity...