俱舍論疏 10.121

10.121

論「有說喜等至數遊行故」，述異說也。此是喜等與意為近緣故，令意於境數遊行故，名意近行也。《婆娑》一百四十九有三釋，二釋同此論，第三釋云「又依意故近境而行，名意近行。」又云「於境捷利，樂數分別，故名為行。」《正理論》云「喜等有力能為近緣，令意於境數遊行故。若說喜等意為近緣，於境數行名意近行，則應想等亦得此名，與意相應由意行故。」

[On the Śāstra's statement:] 'Some say joy and so forth [up to] frequently range over them', this sets forth an alternative explanation. This means that because joy and so forth serve as proximate conditions for the mind, causing the mind to frequently range over objects, they are called mental investigations. Fascicle 149 of the *Vibhāṣā* contains three interpretations. Two interpretations are identical to this Śāstra's; the third interpretation states: 'Moreover, because they rely on the mind to range proximately toward objects, they are called mental investigations.' It also states: 'Being swift and sharp regarding objects, delighting in frequently conceptualizing them, they are therefore called investigations.' The *Nyāyānusāra* says: 'Joy and so forth possess power to act as proximate conditions, causing the mind to frequently range over objects. If one were to say that joy and so forth take the mind as their proximate condition and frequently range over objects, and are therefore called mental investigations, then ideation (saṃjñā) and so forth should also receive this name, since they are associated with the mind and range by means of the mind.'