奥义书——吠陀传统的哲学核心，阐明梵、真我、知识、行动与解脱的本质。十部主要奥义书，另加精选的毗湿奴派小奥义书。
A three-part manual: the science of sound and pronunciation, the ladder of the five sheaths — from the body "made of food" to bliss — and a farewell to the graduate, put simply: "speak the truth, do your duty, let your mother be your god."