Trilogy of Finding Comfort and Ease (ngal gso skor gsum) - A trilogy of Dzogchen writings by Longchen Rabjam: * Finding Comfort and Ease in the Nature of Mind (sems nyid ngal gso) * Great Chariot (shing rta chen po), a 13 chapter autocommentary on the above * Finding Comfort and Ease in Meditation (bsam gtan ngal gso) * Finding Comfort and Ease in the Illusoriness of Things (sgyu ma ngal gso)