BhG 5.25

grammar

labhante	–	√labh (to obtain) Praes. Ā 1v.3 – they obtain;
brahma-nirvāṇam	–	brahma-nirvāṇa 2n.1 n.; TP: brahmaṇi nirvāṇam iti – extinction in brahman (from: √bṛh – to increase, brahman – spirit, the Vedas; nir-√vā – to blow out, to extinguish, to soothe, nirvāṇa – extinction, perfect calm, death, final liberation);
ṛṣayaḥ	–	ṛṣi 1n.3 m. – sages, seers;
kṣīṇa-kalmaṣāḥ	–	kṣīṇa-kalmaṣa 1n.3 m.; BV: yeṣāṁ kalmaṣāni kṣīṇāni santi te – whose sins are destroyed (from: √kṣi – to destroy, kṣīṇa – perished, lost; karma+so – destroying good acts, kalmaṣa – dirt, stain, sin);
chinna-dvaidhāḥ	–	chinna-dvaidha 1n.3 m.; BV: yeṣāṁ dvaidhaṁ chinnam asti te – whose doubt is cut (from: √chid – to cut, PP chinna – cut, destroyed; dvai-dha – duality, doubt, uncertainty);
yatātmānaḥ	–	yatātman 1n.3 m.; BV: yeṣām ātmā yato ‘sti te – whose self is restrained (from: √yam – to hold back, to restrain, PP yata – held back, restrained; ātman – self);
sarva-bhūta-hite	–	sarva-bhūta-hita 7n.1 m.; TP: sarveṣāṁ bhūtānāṁ hita iti – in the welfare of all beings (from: sarva – all, whole; √bhū – to be, PP bhūta – been, real, world; √dhā – to put, PP hita – set, beneficial, useful, friendly);
ratāḥ	–	rata (√ram – to play, to rejoice) PP 1n.3 m. – having rejoiced (requires locative);

textual variants

kṣīṇa-kalmaṣāḥ → kṣīṇa-kilbiṣāḥ (whose sins are destroyed);
chinna-dvaidhā → chinna-dvidhā (whose duality is cut);
yatātmānaḥ → jitātmānaḥ (whose self is conquered);
chinna-dvaidhā yatātmānaḥ → bhinnadvaitā mahātmānaḥ (whose duality is broken, those of powerful self);

The fourth pada of verse 5.25 is the same as the fourth pada of verse BhG 12.4.

Rāmānuja

cchinnadvaidhāḥ śītoṣṇādidvandvair vimuktāḥ, yatātmānaḥ ātmany eva niyamitamanasaḥ, sarvabhūtahite ratāḥ ātmavat sarveṣāṃ bhūtānāṃ hiteṣv eva niratāḥ, ṛṣayaḥ draṣṭāraḥ ātmāvalokanaparāḥ, ya evambhūtās te kṣīṇāśeṣātmaprāptivirodhikalmaṣāḥ brahmanirvāṇaṃ labhante

Śrīdhara

kiṃ ca labhanta iti | ṛṣayaḥ samyag-darśinaḥ | kṣīṇaṃ kalmaṣaṃ yeṣām | sarveṣāṃ bhūtānāṃ hite ratāḥ kṛpalavaḥ | te brahma-nirvāṇaṃ mokṣaṃ labhante

Madhusūdana

mukti-hetor jñānasya sādhanāntarāṇi vivṛṇvann āha labhanta iti | prathamaṃ yajñādibhiḥ kṣīṇa-kalmaṣāḥ | tato ‚ntaḥkaraṇa-śuddhayā ṛṣayaḥ sūkṣma-vastu-vivecana-samarthāḥ saṃnyāsinaḥ | tataḥ śravaṇādi-paripākeṇa cchinna-dvaidhā nivṛtta-sarva-saṃśayāḥ | tato nididhyāsana-paripākeṇa saṃyatātmānaḥ paramātmany evaikāgra-cittāḥ | etādṛśāś ca dvaitādarśitvena sarva-bhūta-hite ratā hiṃsā-śūnyā brahma-vido brahma-nirvāṇaṃ labhante |

yasmin sarvāṇi bhūtāni ātmaivābhūd vijānataḥ |
tatra ko mohaḥ kaḥ śoka ekatvam anupaśyataḥ || iti śruteḥ |

bahu-vacanam, tad yo devānāṃ ity ādi-śruty-uktāniyama-pradarśanārtham

Viśvanātha

evaṃ bahava eva sādhana-siddhā bhavantīty āha labhanta iti

Baladeva

evaṃ sādhana-siddhā bahava bhavantīty āha labhanta iti | ṛṣayas tattva-draṣṭāraḥ | chinna-dvaidhā vinaṣṭ-saṃśayāḥ | sphuṭam anyat