Advaya, the identification of phenomena and absolutely the, the "nonduality of duality and nonduality",[web three] or the nonduality of relative and ultimate truth as present in Madhyamaka Buddhism and the two truths doctrine. Pure Silence is the website of Mark McCloskey, that is selflessly (!) spreading the message of non-duality https://www.spreaker.com/show/the_david_hoffmeister_show