Bhagavad Gita, Chapter 6, Verse 43

तत्र तं बुद्धिसंयोगं लभते पौर्वदेहिकम् । यतते च ततो भूयः संसिद्धौ कुरुनन्दन

tatra taṃ buddhisaṃyogaṃ labhate paurvadehikam | yatate ca tato bhūyaḥ saṃsiddhau kurunandana

Translation

There he gains touch with the knowledge that was acquired in the former body and strives more than before for perfection, O son of the Kurus.

— Alladi Mahadeva Sastri

Word meanings

tatra
there
tam
that
buddhisaṃyogam
of Buddhi, the conjunction
labhate
obtains
paurvadehikam
belonging to the previous body
yatate
strives
ca
and
tataḥ
thence
bhūyaḥ
again
saṃsiddhau
in perfection
kurunandana
of the Kurus, O rejoicer

Śaṅkarācārya's commentary

More than before: with greater vigour than that with which he strove in the former birth.