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。
Twelve lines on the three lines of ash: how they are applied, where, and with which mantras. One of the shortest books in the collection, and entirely about one rite.