ནམ་འཇིག་ངེས་པ་མེད་པར་རྟོགས་གྱུར་ནས།།
Which are as fragile as a bubble in water will perish
Mind Training (Lojong), Lineage Prayers, Damngak Dzö, Compendium of Sādhanas, Tibetan Masters, Gyalse Tokme Zangpo