Bhagavadgītā-4comm with the commentaries · Chapter 42

baladevaḥ :
jñānataḥ karmaṇaḥ śraiṣṭhyaṃ sukaratvādinā hariḥ |
śuddhasya tad-akartṛtvaṃ tvety ādi prāha pañcame ||
dvitīye mumukṣuṃ praty ātma-vijñānaṃ mocakam abhidhāya tad-upāyayā niṣkāmaṃ karma kartavyam abhyadhāt | labdha-vijñānasya na kiṃcit karmāstīti yas tv ātma-ratir eva syāt iti tṛtīye, sarvaṃ karmākhilaṃ pārtha iti caturthe cāvādīt | ante tu tasmād ajñāna-saṃbhūtaṃ [Gītā 4.42] ity ādinā tasyaiva punaḥ karma-yogaṃ prāvocat | tatrārjunaḥ pṛcchati saṃnyāsam iti | he kṛṣṇa ! karmaṇāṃ sannyāsaṃ sarvendriya-vyāpāra-virati-rūpaṃ jñāna-yogam ity arthaḥ | punar yogaṃ karmānuṣṭhānaṃ ca sarvendriya-vyāpāra-rūpaṃ śaṃsasi | na caikasya yugapat tau sambhavetāṃ,
sthiti-gativat tamas-tejovac ca viruddha-svarūpatvāt | tasmāl labdha-jñānaḥ karma sannyased anutiṣṭhed veti bhavad-abhimataṃ vettum aśakto 'haṃ pṛcchāmi | etayoḥ karma-sannyāsa-karmānuṣṭhānayor yad ekaṃ śreyas tvayā suniścitaṃ tattvaṃ me brūhīti

BhG 5.2
śrī-bhagavān uvāca
saṃnyāsaḥ karma-yogaś ca niḥśreyasa-karāv ubhau |
tayos tu karma-saṃnyāsāt karma-yogo viśiṣyate