Śāntideva's eighth-century work, the Guide to Bodhisattva Practice (Bodhicaryāvatāra), is known for its eminently practical instructions and its psychologically vivid articulations of the Mahāyāna path. It is a powerful, succinct poem into which are woven diverse Buddhist traditions of moral transformation, meditative cultivation, and philosophical insight. Since its composition, it has seen continuous use as a ritual,...