བུག་པ་ངེས་པར་ཕྱོགས་བཅུ་ཡི། །སངས་རྒྱས་བྱང་ཆུབ་སེམས་དཔའ་ཡི། །
{6.4.57} “Coming out also through the opening located at one’s crown, The light rays radiate throughout the ten directions, Entering the buddhas and bodhisattvas Through their left nostrils.
Dharma, Light, Conduct