तत्र तं बुद्धिसंयोगं लभते पौर्वदेहिकम्। यतते च ततो भूयः संसिद्धौ कुरुनन्दन।।6.43।।
tatra taṁ buddhi-sanyogaṁ labhate paurva-dehikam yatate cha tato bhūyaḥ sansiddhau kuru-nandana
Then he comes into contact with the knowledge acquired in his former body and strives even more for perfection, O Arjuna.