There, in the family of yogins, he gains that joining-with-understanding, the joining with the understanding which belonged to his former body, which arose in the former body; and he strives, makes effort, and from that disposition formed by earlier action he strives still more, far more, toward perfection, O delight of the Kurus. How is there a joining with the understanding of a former body? That is told.
Contemporary English rendering of the Sanskrit bhāṣya, pending scholar review.