The text opens with the Purusha Sukta found in Rig veda hymn 10.90, but just the first nine of the sixteen verses that are found in the modern surviving version of Rigveda manuscript. The Purusha is identified to be Vishnu (Narayana, Hari). The Adi-purusha, primordial cosmic reality, is identified by the text as nothing but Brahman, who is asserted to be Vishnu, then declared as the cause of All. Vishnu's soul is the primordial sacrifice that becomes the unchanging and the evolving reality, according to the text.