BhG 6.43

syntax

he kuru-nandana (O delight of the Kurus!),
tatra [yoginām kule] (there in the family of yogīs) tam paurva-dehikam (this related to previous body) buddhi-saṁyogam (contact with intelligence) labhate (he obtains),
tataḥ ca (and then) bhūyaḥ (again) saṁsiddhau (to perfection) yatate (he endeavours).

grammar

tatra	–	av. – there (from: tat; indeclinable locative with an ending -tra);
tam	–	tat sn. 2n.1 m. – that;
buddhi-saṁyogam	–	buddhi-saṁyoga 2n.1 m.; TP: buddhyā saṁyogam iti – contact with intelligence (from: √budh – to wake, to perceive, to understand; buddhi – intelligence, thought, understanding, knowledge, idea, opinion; sam-√yuj – to yoke, to join, to engage, saṁyoga – connection, union);
labhate	–	√labh (to obtain, to gain) Praes. Ā 1v.1 – he obtains;
paurva-dehikam	–	paurva-dehika 2n.1 m. – related to previous body (from: pūrva – previous, ancient; √dih – to anoint, to smear, deha – a form, shape, body; purva-deha – previous body);
yatate	–	√yat (to place in order, to endeavour) Praes. Ā 1v.1 – he endeavours, he strives (for what? – requires locative);
ca	–	av. – and;
tataḥ	–	av. – then, after that, from that, for that reason (from: tat – indeclinable ablative with an ending -tas);
bhūyaḥ	–	av. – more, again, besides;
saṁsiddhau	–	sam-siddhi 7n.1 f. – in accomplishment, in perfection, in success (from: √sidh – to succeed, to become perfect);
kuru-nandana	–	kuru-nandana 8n.1 m.; TP: kurūṇāṁ nandaneti – O delight of the Kurus (from: from: kuru – Kuru, the Kurus – the descendants of Kuru; √nand – to delight, nandana – delight, gladness);

textual variants

taṁ buddhi-saṁyogaṁ → saṁbuddhi-saṁyogaṁ (contact with full intelligence);
paurva-dehikam → pūrva-daihikaṁ / paurva-daihikam / pūrva-dehikaṁ (related to previous body);
yatate ca tato bhūyaḥ → tato bhūyo ‘pi yatate (therefore again he endeavours);
saṁsiddhau → siddhaye (for perfection);

Śāṃkara

yasmāt—

tatra yogināṃ kule taṃ buddhi-saṃyogaṃ buddhyā saṃyogaṃ buddhi-saṃyogaṃ labhate paurvadehikaṃ pūrvasmin dehe bhavaṃ paurvadehikam | yatate ca prayatnaṃ ca karoti tatas tasmāt pūrva-kṛtāt saṃskārāt bhūyo bahutaraṃ saṃsiddhau saṃsiddhi-nimittaṃ he kuru-nandana

Rāmānuja

tatra janmani paurvadaihikaṃ tam eva yogaviṣayaṃ buddhisaṃyogaṃ labhate / tataḥ suptaprabuddhavad bhūyaḥ saṃsiddhau yatate yathā nāntarāyahato bhavati, tathā yatate / tena pūrvābhyāsena pūrveṇa yogaviṣyeṇābhyāsena saḥ yogabhraṣṭo hy avaśo ‚pi yoga eva hriyate / prasiddhaṃ hy etad yogamāhātmyam ityarthaḥ

Śrīdhara

tataḥ kiṃ ? ata āha tatreti sārdhena | sa tatra dvi-prakāre ‚pi janmani pūrva-dehe bhavaṃ paurvadehikam | tam eva brahma-viṣayayā buddhyā saṃyogaṃ labhate | tataś ca bhūyo ‚dhikaṃ saṃsiddhau mokṣe prayatnaṃ karoti

Madhusūdana

etādṛśa-janma-dvayasya durlabhatvaṃ kasmāt ? yasmāt tatra tam iti | tatra dvi-prakāre ‚pi janmani pūrva-dehe bhavaṃ paurvadehikam sarva-karma-saṃnyāsa-gurūpasadana-śravaṇa-manana-nididhyāsanānāṃ madhye yāvat-paryantam anuṣṭhitaṃ tāvat paryantam eva taṃ brahmātmaikya-viṣayayā buddhyā saṃyogaṃ tat-sādhana-kalāpam iti yāvat | labhate prāpnoti | na kevalaṃ labhata eva kintu tatas tal-lābhānantaraṃ bhūyo ‚dhikaṃ labdhāyā bhūmer agrimāṃ bhūmiṃ sampādayituṃ saṃsiddhau saṃsiddhir mokṣas tan-nimittaṃ yatate ca prayatnaṃ karoti ca | yāvan mokṣaṃ bhūmikāḥ sampādayatīty arthaḥ | he kuru-nandana tavāpi śucīnāṃ śrīmatāṃ kule yoga-bhraṣṭa-janama jātam iti pūrva-vāsanā-vaśād anāyāsenaiva jñāna-lābho bhaviṣyatīti sūcayituṃ mahā-prabhāvasya kuroḥ kīrtanam |

ayam artho bhagavad-vaśiṣṭha-vacane vyaktaḥ | yathā śrī-rāmaḥ –

ekām atha dvitīyāṃ vā tṛtīyāṃ bhūmikām uta |
ārūḍhasya mṛtakasyātha kīdṛśī bhagavan gatiḥ ||

pūrvaṃ hi sapta bhūmayo vyākhyātāḥ | tatra nityānitya-vastu-viveka-pūrvakād ihāmutrārtha-bhoga-vairāgyāc chama-dama-śraddhā-titikṣā-sarva-karma-saṃnyāsādi-puraḥsarā mumukṣā śubhecchākhyā prathamā bhūmikā | sādhana-catuṣṭaya-sampad iti tāvat | tataḥ śravaṇa-manana-pariniṣpannasya tattva-jñānasya nirvicikitsanā-rūpā tanu-mānasā nāma tṛtīyā bhūmikā | nididhyāsana-sampad iti yāvat | caturthī bhūmikā tu tattva-sākṣātkāra eva | pañcama-ṣaṣṭha-saptama-bhūmayas tu jīvanmukter avāntara-bhedā iti tṛtīye prāg-vyākhyātam | tatra caturthīṃ bhūmiṃ prāptasya mṛtasya jīvan-mukty-abhāve ‚pi videha-kaivalyaṃ prati nāsty eva saṃśayaḥ | tad-uttara-bhūmi-trayaṃ prāptas tu jīvann api muktaḥ kim u videha iti nāsty eva bhūmikā-catuṣṭaye śaṅkā | sādhana-bhūta-bhūmikā-traye tu karma-tyāgāj jñānālābhāc ca bhavati śaṅketi tatraiva praśnaḥ |

śrī-vaśiṣṭhaḥ –

yoga-bhūmikayotkrānta-jīvitasya śarīriṇaḥ |
bhūmikāṃśānusāreṇa kṣīyate pūrva-duṣkṛtam ||
tataḥ sura-vimāneṣu loka-pāla-pureṣu ca |
merūpavana-kuñjeṣu ramate ramaṇī-sakhaḥ ||
tataḥ sukṛta-saṃbhāre duṣkṛte ca purākṛte |
bhoga-kṣayāt parikṣīṇe jāyante yogino bhuvi ||
śucīnāṃ śrīmatāṃ gehe gupte guṇavatāṃ satām |
janitvā yogam evaite sevante yoga-vāsitāḥ ||
tatra pāg-bhavanābhyastaṃ yoga-bhūmi-kramaṃ budhāḥ |
dṛṣṭvā paripatanty uccair uttaraṃ bhūmikā-kramam || iti |

atra prāg-upacita-bhoga-vāsanā-prābalyād alpa-kālābhyasta-vairāgya-vāsanā-daurbalyena prāṇotkrānti-samaye prādurbhūta-bhoga-spṛhaḥ sarva-karma-saṃnyāsī yaḥ sa evoktaḥ | yas tu vairāgya-vāsanā-prābalyāt prakṛṣṭa-puṇya-prakaṭita-parameśvara-prasāda-vaśena prāṇotkrānti-samaye ‚nudbhūta-bhoga-spṛhaḥ saṃnyāsī bhoga-vyavadhānaṃ vinaiva brāhmaṇānām eva brahma-vidāṃ sarva-pramāda-kāraṇa-śūnye kule samutpannas tasya prāktana-saṃskārābhivyaktenāyāsenaiva sambhavān nāsti pūrvasyaiva mokṣaṃ praty āśaṅketi sa vasiṣṭhena nokto bhagavatā tu parama-kāruṇikenāthaveti pakṣāntaraṃ kṛtvokta eva | spaṣṭam anyat

Viśvanātha

tatra dvividhe ‚pi janmani buddhyā paramātma-niṣṭhayā saha saṃyogaṃ paurvadaihikaṃ pūrva-janma-bhavam

Baladeva

āmutrikīṃ sukha-sampattiṃ vaktuṃ pūrva-saṃskāra-hetukaṃ sādhanam āha tatreti | tatra dvividhe janmani paurvadaihikaṃ pūrva-dehe bhavam | buddhyā svadharma-svātma-paramātma-viṣayā saṃyogaṃ sambandhaṃ labhate | tataś ca hṛd-viśuddhi-sva-paramātmāvaloka-rūpāyāṃ saṃsiddhau nimitte svāpotthitavad bhūyo bahutaraṃ yatate | yathā punar vighna-hato na syāt