Chih-i’s own thought stresses that delusion and enlightenment, the nine realms and Buddha realm, are inherent in any phenomenon; thus, those who live in evil circumstances and have no opportunity to contemplate the perfections are not excluded from the Way but can make that evil the subject of liberative contemplation. Nevertheless, he was extremely careful to clarify that the ontological nonduality of good and evil did not obviate the need to make firm conventional distinctions between them; he also inveighed against monks who interpreted the teaching of nonduality as legitimizing antinomian behavior or who taught it irresponsibly without regard for their listeners’ ability to understand. (Page 361)
Original Enlightenment and the Transformation of Medieval Japanese Buddhism