Testaments of the knowledge-holders
"The Posthumous Teachings of the Vidyadhara" (Tibetan: རིག་འཛིན་གྱི་འདས་རྗེས, Wylie: rig 'dzin gyi 'das-rjes) are found in the Vima Nyingtik. These are the last testaments of the early vidyadharas: Garab Dorje, Manjushrimitra, Shri Singha and Jnanasutra. These testaments are post-humous as they were delivered by the vidhyadhara to their senior disciple from within a thigle of the Five Pure Lights in their Rainbow Body of Light. In this tradition, the thigle is understood to be comparable to a pure dimension or mandala. These were first compiled by Vimalamitra in his five series (which consisted of the series of: Golden Letters, Copper Letters, Variegated Letters, Conch Shell Letters and Turquoise Letters). These posthumous teaching belong to the series of the "Golden Letters" (Tibetan: གསེར་ཡིག་ཅན, Wylie: gser yig can).