Sapaṇ begins the argument by quoting a wide range of authoritative sources to show that the “Sugata-matrix” is unchanging, that it is equivalent to the Dharmadhātu and the Tathāgata-nature, and that these are all completely devoid of evil and virtue, which are illusory constructions.[16] Near the end of the passage Sapaṇ recommends that the reader study, in particular, the Dharmodgata chapter of the Perfection of Wisdom in 8,000 Lines (I.137; Rhoton 2002: 58). That chapter teaches that suchnes