B.G 6.07 and 08

jitātmanaḥ praśāntasya paramātmā samāhitaḥ। śītoṣṇasukhaduḥkheṣu tathā mānāpamānayoḥ ॥7॥

jñānavijñānatr̥ptātmā kūṭastho vijiteṁdriyaḥ। yukta ityucyate yogī samaloṣṭāśmakāñcanaḥ ॥8॥

One who is self controlled and serene is situated with equanimity in the Supreme Personality, the Lord. He is of a steady mind, unperturbed by cold or heat, pleasure or pain, honour or dishonour. Having conquered the senses, he is content with knowledge and special knowledge. Such a practitioner of Yoga is said to have achieved perfection in Yoga, who sees equally a lump of mud, a stone, and a gold.

Gīta Bhāshya 6.07 and 08

'vijñānam' - special knowledge, which is nothing but transcendental knowledge. 'kūṭasthaḥ' - one without change or distortions, similar to sky. 'Yogi' - practitioner of Yoga. 'Yukta' - one who has achieved perfection. The results of self-control are explained. Practice of self-control results in transcendental knowledge, which in turn results in complete control over senses, that results in steadfastness.

jitātmanaḥ phalamāha - jitātmana iti।

The results of self-control are explained in the verse, 'jitātmana', i.e. one who is self controlled.

jitātmā hi praśānto bhavati। na tasya manaḥ prāyo viṣayeṣu gacchati। tadā ca paramātmā samyagāhitaḥ hr̥di sannihito bhavati। aparokṣajñānī sa bhavatītyarthaḥ।

Indeed, the self-controlled person experiences tranquility. For most of the time, his mind does not wander among sense objects. Then, the Supreme Soul is correctly apprehended and abides in his heart. It means he becomes the one with transcendental knowledge.

aparokṣajñānino lakṣaṇaṁ spaṣṭayati - śītoṣṇetyādinā।

The verse, 'śītoṣṇetyādi', i.e. 'cold or heat, etc.', clarifies the characteristics of the person with transcendental knowledge.

śītoṣṇādiṣu kūṭasthaḥ। jñānavijñānatr̥ptātmā vijiteṁdriyaḥ iti kūṭasthatve hetuḥ। vijñānaṁ viśeṣajñānam। aparokṣajñānaṁ vā। taccoktam -

The expression 'in cold and heat, etc.' indicates steadfastness. Having obtained the knowledge, and the transcendental knowledge, the person conquers the senses, and is thus contented, and this becomes the cause for steadfastness. The word 'vijñānam' means special knowledge, which is nothing but transcendental knowledge. Thus, it is said:

"sāmānyairyetvavijñeyā viśeṣā mama gocarāḥ। devādīnāṁ tu tajjñānaṁ jñānamiti kīrtitam॥"

"That which cannot be understood by ordinary people about Me, that special knowledge because of which I become visible to gods, is celebrated in the world as actual knowledge."

iti।

- stated thus.

"śravaṇānmananāccaiva yajjñānamupajāyate। tajjñānaṁ darśanaṁ viṣṇorvijñānaṁ śambhurabravīt॥"

"Indeed, from hearing and contemplation arises that knowledge. By that knowledge vision of Lord Vishnu becomes possible. That special knowledge (vijñānaṁ) was explained by Lord Shambhu."

"vijñānaṁ jñānamaṅgādeḥ viśiṣṭaṁ darśanaṁ tathā॥"

"The special knowledge ('vijñāna') is that knowledge which enabled lord Shiva to have special vision."

ityādi॥

- and such other testimonials as well.

kūṭastho nirvikāraḥ। kūṭavat sthitaḥ iti vyutpatteḥ। kūṭam ākāśaḥ।

The word 'kūṭasthaḥ' means without change or distortions. Situated 'like a sky' (kūṭavat) is the etymological origin of the word. The word 'kūṭam' means the sky.

"kūṭaṁ khaṁ vidalaṁ vyoma sandhikārāśa ucyate।"

"The word 'kūṭaṁ' is explained as the void, the space, the sky, or that which brings about conjunction. "

ityabhidhānāt।

- states the dictionary.

yogī yogaṁ kurvan। yuktaḥ yogasampūrṇaḥ। evambhūto yogānuṣṭhātā yogasampūrṇa ucyate ityarthaḥ ॥7,8॥

The word 'Yogi' refers to the practitioner of Yoga. The word 'Yukta' refers to one who has achieved perfection. Thus, the expression 'yukta ityucyate yogī' means 'thus a practicing Yogi achieves perfection in Yoga'.