Kabir was an extraordinary oral poet whose works have been sung and recited by millions throughout North India for half a millennium. He may have been illiterate and he preached an abrasive, sometimes shocking, always uncompromising message that exhorted his audience to shed their delusions, pretentions, and empty orthodoxies in favor of an intense, direct, and personal confrontation with the truth. Thousands of poems are popularly attributed to Kabir,...