瑜伽論記 6.482

6.482

言由三摩呬多地毘鉢舍那行觀察簡擇等者，復依未至定中之慧觀察簡擇聞思心中所緣影像。

Regarding the statement, 'By the practice of vipaśyanā in the stage of concentration, observing and discerning,' and so forth: one again relies on the wisdom in the threshold samādhi to observe and discern the mental image cognized within the mind of hearing and thinking.