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 book told to Śuka — the one who will later relate the Bhāgavatam to the world. It examines the four great sayings and explains why, behind the abstract "that you are," stands not identity, but belonging.