BhG 17.27

syntax

yajñe (in sacrifice) tapasi (in austerity) dāne ca (and in charity) [yā] sthitiḥ (which state) [asti] (it is)
[sā] sat iti (that SAT) ucyate (it is called),
tad-arthīyam ca (and destined for that) karma (activity) sat iti eva (indeed SAT) abhidhīyate (it is called).

grammar

yajñe	–	yajña 7n.1 m. – in sacrifice, in worship (from: √yaj – to consecrate, to sacrifice, to worship);
tapasi	–	tapas 7n.1 n. – in heat, in austerity (from: √tap – to scorch);
dāne	–	dāna 7n.1 n. – in charity (from: √dā – to give);
ca	–	av. – and;
sthitiḥ	–	sthiti 1n.1 f. – staying, state, condition, existence (from: √sthā – to stand);
sat	–	sant (√as – to be) PPr 1n.1 n. – being, existing, true, the essence;
iti	–	av. – thus (used to close the quotation);
ca	–	av. – and;
ucyate	–	√vac (to speak) Praes. pass. 1v.1 – it is said;
karma	–	karman 1n.1 n. – activity (from: √kṛ – to do);
ca	–	av. – and;
eva	–	av. – certainly, just, merely;
tad-arthīyam	–	tad-arthīya 1n.1 m.; tasyārthīyam iti – destined for that (from: tat – that; √arth – to strive to obtain, to desire, to request, artha – purpose, advantage, concern, object, wealth, arthīya – destined for);
sat	–	sant (√as – to be) PPr 1n.1 n. – being, existing, true, the essence;
iti	–	av. – thus (used to close the quotation);
eva	–	av. – certainly, just, merely;
abhidhīyate	–	abhi-√dhā (to name, to speak) Praes. pass. 1v.1 – it is called;

textual variants

yajñe → yatte (in endeavour);
dāne → dānaṁ (gift);
cocyate → cośyate / codyate ( / in undertaken);
evābhidhīyate → evābhidadhate (indeed it takes);

Śāṃkara

yajñe yajña-karmaṇi yā sthitiḥ, tapasi ca yā sthitiḥ, dāne ca yā sthitiḥ, sā sad iti cocyate vidvadbhiḥ | karma caiva tad-arthīyaṃ yajña-dāna-tapo’rthīyam | athavā, yasyābhidhāna-trayaṃ prakṛtaṃ tad-arthīyaṃ yajña-dāna-tapo’rthīyam īśvarārthīyam ity etat | sad ity evābhidhīyate | tad etad yajña-dāna-tapa-ādi-karmāsāttvikaṃ viguṇam api śraddhā-pūrvakaṃ brahmaṇo ’bhidhāna-traya-prayogeṇa sa-guṇaṃ sāttvikaṃ saṃpāditaṃ bhavati

Rāmānuja

ato vaidikānāṃ traivarṇikānāṃ yajñe tapasi dāne ca sthitiḥ kalyāṇatayā sad ity ucyate / karma ca tadarthīyam traivarṇikārthīyaṃ yajñadānādikaṃ sad ity evābhidhīyate / tasmād vedāḥ vaidikāni karmāṇi brāhmaṇaśabdanirdiṣṭās traivarṇikāś ca oṃ tat sad iti śabdānvayarūpalakṣaṇena avedebhyaś cāvaidikebhyaś ca vyāvṛttā veditavyāḥ

Śrīdhara

kiṃ ca yajña iti | yajñādiṣu ca yā sthitis tātparyenāvasthānaṃ tad api sad ity ucyate | yasya cedaṃ nāma-trayaṃ sa eva paramātmā arthaḥ phalaṃ yasya tat-tad-arthaṃ karma-pūjopahāra-gṛhāṅgana-parimārjanopalepana-raṅga-māṅgalikādi-kriyā tat-siddhaye yad anyat karma kriyata udyāna-śāli-kṣetra-dhanārjanādi-viṣayaṃ tat karma tad-arthīyam | tac cātivyavahitam api sad ity evābhidhīyate | yasmād evam ati-praśastam etan nāma-trayaṃ tasmād etat sarva-karma-sādguṇyārthaṃ kīrayed iti tātparyārthaḥ | atra cārthavādānupapattyā vidhiḥ kalpyate | vidheyaṃ stūyate vastv iti nyāyāt | apare tu pravartante vidhinoktāḥ kriyante mokṣa-kāṅkṣibhiḥ ity ādi vartamānopadeśaḥ samidhā yajatīty ādivad vidhitayā pariṇamanīya ity āhuḥ | tat tu sad-bhāve sādhu-bhāve cety ādiṣu prāptārthatvān na saṅgacchata iti pūrvokta-krameṇa vidhi-kalpanaiva jyāyasī

Madhusūdana

yajñe tapasi dāne ca yā sthitis tat-paratayāvasthitir niṣṭhā sāpi sad ity ucyate vidvadbhiḥ | karma caiva tad-arthīyaṃ teṣu yajña-dāna-tapo-rūpeṣv artheṣu bhavaṃ tad-anukūlam eva ca karma tad-arthīyaṃ bhagavad-arpaṇa-buddhyā kriyamāṇaṃ karma vā tad-arthīyaṃ sad ity evābhidhīyate | tasmāt sad iti nāma karma-vaiguṇyāpanodana-samarthaṃ praśastataram | yasyaikaiko ‚vayavo ‚py etādṛśaḥ kiṃ vaktavyaṃ tat-samudāyasya oṃ tat sad iti nirdeśasya māhātmyam iti saṃpiṇḍitārthaḥ

Viśvanātha

brahma-vācakaḥ sac-chabdaḥ praśasteṣv api vartate | tasmāt praśasta-mātre karmaṇi prākṛte ‚prākṛte ‚pi sac-chabdaḥ prayoktavya ity āśayenāha sad-bhāva iti dvābhyām | sad-bhāve brahmatve sādhu-bhāve brahma-vāditve prayujyate saṅgacchata ity arthaḥ | yajñādau sthitir yajñādi-tātparyeṇāvasthānam ity arthaḥ | tad-arthīyaṃ karma brahmacaryopayogi yat karma bhagavan-mandira-mārjanādikam tad api

Baladeva

sad iti nirdeśaḥ praśasteṣv arthāntareṣu vartate tasmāt praśaste karma-mātre sa prayojya iti bhāvenāha sad-bhāva iti dvābhyām | sad-bhāve brahma-bhāve sādhu-bhāve ca brahma-jñatve ‚bhidhāyakatayā sac-chabdaḥ prayujyate sad eva saumya ity ādau | satāṃ prasaṅgāt ity ādau ca | tathā praśaste upanayana-vivāhādike ca māṅgalike karmaṇi sac-chabdo yujyate saṅgacchate | yajñādau yā teṣāṃ sthitis tātparyeṇāvasthitis tad api sad ity ucyate | yasyedaṃ nāma-trayaṃ tad-arthīyaṃ karma ca tan-mandira-nirmāṇa-tad-vimārjanādi sad ity abhidhīyate | atra trividho ‚yaṃ nirdeśaḥ smartavya iti vidhiḥ kalpyate | vaṣaṭ-kartuḥ prathamaṃ bhakṣyaḥ ity ādāv iva vacanāni tv apūrvatvād iti nyāyād yajña-dānādi-saṃyogāc cāsya tad-vaiguṇyam eva phalam |
pramādāt kurvatāṃ karma pracyavetādhvareṣu yat |
smaraṇād eva tad viṣṇoḥ sampūrṇaṃ syād iti śrutiḥ || iti smaraṇāc ca