དགེ་སློང་དག་ཁྱེད་ཀྱིས་དེ་ལྟར་བསླབ་པར་བྱའོ། །
The Blessed One explains the reasons for the shape-shifting nāga’s faith In doubt, the monks asked he who had severed all doubts, the Blessed Buddha, “Reverend, how did the youthful, shape-shifting nāga first gain faith?”
Buddhism, Enlightenment, Ānanda