The Great Epic of the Bhārata dynasty 6.42.67

6.42.67

evaṃ ślokadvayena ‘jñānayogena sāṅkhyānāṃ karmayogena yoginām’ iti sāṅkhyayogau dvitīyādhyāye darśitāvupasaṃhṛtya vidyāsampradāyavidhimāha -- idamiti | atapaskāya tapa ālocanaṃ tadrahitāya | ayatnaśīlāyetyarthaḥ | abhaktāya śraddhāhīnāya | aśuśrūṣave gurusevāmakurvate | māṃ paramātmānaṃ yo'bhyasūyati madīyaguṇāsahiṣṇutayā mayi doṣāropaparo bhavati tasmai | nañaḥ pratyekaṃ sambaddhatvādeteṣāṃ viśeṣaṇānāmanyatamābhāve'pi kadācana mahatyapi saṅkaṭe idaṃ na vācyaṃ nopadeṣṭavyam | atra “vidyā ha vai brāhmaṇamājagāma gopāya mā śevadhiṣṭe'hamasmi | asūyakāyānṛjave'yatāya na māṃ brūyā'vīryavatī tathā syām |”, “yasya deve parā bhaktiryathā deve tathā gurau | tasyaite kathitā hyarthāḥ prakāśante mahātmanaḥ” iti śravaṇādasūyārahitāyārjavopetāyābhyāsaśīlāya guruparameśvarārādhanaparāya ca etadrahasyaṃ deyaṃ nānyasmā ityarthaḥ ||