BhG 8.27

syntax

he pārtha (O son of Pṛthā!), he arjuna (O Arjuna!)
ete sṛtī (these two paths) jānan (knowing) kaścana yogī (any yogī) na muhyati (is not bewildered).
tasmāt (therefore) sarveṣu kāleṣu (in every time) yoga-yuktaḥ (engaged in yoga) bhava (you must be).

grammar

na	–	av. – not;
ete	–	etat sn. 2n.2 f. – these two;
sṛtī	–	sṛti 2n.2 f. – paths (from: √sṛ – to run, to flow, to move);
pārtha	–	pārtha 8n.1 m. – O son of Pṛthā (from: √pṛth – to extend, pṛthā – Kuntī, mother of the sons of Pāṇḍu);
jānan	–	jānant (√jña – to know, to understand) PPr 1n.1 m. – [while] knowing;
yogī	–	yogin 1n.1 m. – a yogī, engaged (√yuj – to yoke, to join, to engage, yoga – yoga, yoking, application, a means, one of the schools of Hindu philosophy);
muhyati	–	√muh (to become confused, bewildered, stupefied) Praes. P 1v.1 – is bewildered, deluded, confused;
kaś-cana	–	kim-cana sn. 1n.1 m. – someone (from: kim – what?; -cana – indefinitive particle);
tasmāt	–	av. – therefore (from: tat sn. 5n.1 m. – from that);
sarveṣu	–	sarva sn. 7n.3 m. – in all;
kāleṣu	–	kāla 7n.3 m. – in times;
yoga-yuktaḥ	–	yoga-yukta 1n.1 m.; TP: yogena yuktaḥ iti – engaged in yoga (from: √yuj – to yoke, to join, to engage, yoga – yoga, yoking, application, a means, one of the schools of Hindu philosophy, PP yukta – yoked, endowed with);
bhava	–	√bhū (to be) Imperat. P 2v.1 – you must be;
arjuna	–	arjuna 8n.1 m. – white, clear, O Arjuna;

textual variants

naite sṛtī → naite gatī / nate sṛte / nṛte sṛtī / naite nṛtī / ete sṛtī / naite satī (these two goals, not… / these two emanations, not… / these two human paths / these two shows / these two paths / these two being, not…);

Śāṃkara

na ete yathokte sṛtī mārgau pārtha jānan saṃsārāya ekā, anyā mokṣāyeti | yogī na muhyati kaścana kaścid api | tasmāt sarveṣu kāleṣu yoga-yuktaḥ samāhito bhavārjuna

Rāmānuja

etau mārgau jānan yogī prayāṇakāle kaścana na muhyati; api tu svenaiva devayānena pathā yāti / tasmād aharahar cirādigaticintanākhyayogayukto bhava

Śrīdhara

mārga-jñāna-kalaṃ darśayan bhakti-yogam upasaṃharati naite iti | ete sṛtī mārgau mokṣa-saṃsāra-prāpakau jānan kaścid api yogī na muhyati | sukha-buddhyā svargādi-phalaṃ na kāmayate | kintu parameśvara-niṣṭha eva bhavatīty arthaḥ | spaṣṭam anyat

Madhusūdana

gater upāsyatvāya tad-vijñānaṃ stauti naite iti | ete sṛtī mārgau he pārtha jana krama-mokṣāyaikā punaḥ saṃsārāyāpareti niścinvan yogī dhyāna-niṣṭho na muhyati kevalaṃ karma dhūmādi-mārga-prāpakaṃ kartavyatvena na pratyeti kaścana kaścid api | tasmād yogasthāpunar-āvṛtti-phalatvāt sarveṣu kāleṣu yoga-yuktaḥ samāhita-citto bhavāpunar-āvṛttaye he ‚rjuna

Viśvanātha

etan-mārga-dvaya-jñānaṃ vivekotpādakam atas tadvantaṃ stauti naite iti | yoga-yuktaḥ samāhita-citto bhava

Baladeva

etayoḥ pathor bodho viveka-hetur bhavatīti taṃ stauti naita iti | sṛtī panthāno jānan arcir-ādi-mokṣāya dhūmādiḥ saṃsārāyeti smaran kaścid api yogī mad-bhakto na muhyati dhūmādi-prāpakaṃ karma kartavyatvena na niścinotīty arthaḥ | yoga-yuktaḥ samādhi-niṣṭho bhavāpunar-āvṛttaye