瑜伽論記 13.300

13.300

次明清淨得失，一、於果安樂者，得菩提涅槃。於因自在者，令心樂已不貪放逸，又即由前熏修心故，於果時得究竟故安樂，因中制御三性自在也。

Next, explaining the benefits and faults of purification: First, regarding 'at ease in fruition', one attains bodhi and nirvāṇa. Regarding 'sovereign in cause', one makes the mind joyful and no longer craves or is heedless; furthermore, precisely due to the previous perfuming and cultivation of the mind, at the time of fruition one attains the ultimate and is therefore at ease, and within the cause one controls the three natures with sovereignty.