Bhagavad Gita Chapter 8 Verse 10
भगवद् गीता अध्याय 8 श्लोक 10

प्रयाणकाले मनसाऽचलेन
भक्त्या युक्तो योगबलेन चैव।
भ्रुवोर्मध्ये प्राणमावेश्य सम्यक् 
स तं परं पुरुषमुपैति दिव्यम्।।8.10।।



English Translation - Swami Sivananda
8.10 At the time of death, with unshaken mind, endowed with devotio, by the power of Yoga, fixing the whole life-breath in the middle of the two eyrows, he reaches that resplendent Supreme Person.


English Translation of Sanskrit Commentary By Sri Shankaracharya's
8.10 Prayana-kale, at the time of death; after first brining the mind under control in the lotus of the heart, and then lifting up the vital force-through the nerve going upward-by gradually gaining control over (the rudiments of nature such as) earth etc. [Space, air, fire, water and earth.] and after that, samyak, avesya, having fully fixed; pranam, the Prana (vital force); madhye, between; the bhruvoh, eye-brows, without losing attention; acalena manasa, with an unwavering mind; he, the yogi possessed of such wisdom, yuktah, imbued; bhaktya, with devotion, deep love; ca eva, as also; yoga-balena, [Yoga means spiritual absorption, the fixing of the mind on Reality alone, to the exclusion of any other object.] with the strength of concentration-i.e; imbued with that (strength) also, consisting in steadfastness of the mind arising from accumulation of impressions resulting from spiritual absorption; upaiti, reaches; tam, that; div yam, resplendent; param, supreme; purusam, Person, described as the Omniscient, the Ancient, etc.
The Lord again speaks of Brahman which is sought to be attained by the process going to be stated, and which is described through such characteristics as, What is declared by the knowers of the Vedas,etc.:


Transliteration Bhagavad Gita 8.10Prayaanakaale manasaachalenaBhaktyaa yukto yogabalena chaiva;
Bhruvormadhye praanamaaveshya samyakSa tam param purusham upaiti divyam.


Word Meanings Bhagavad Gita 8.10kavim—poet; purāṇam—ancient; anuśhāsitāram—the controller; aṇoḥ—than the atom; aṇīyānsam—smaller; anusmaret—always remembers; yaḥ—who; sarvasya—of everything; dhātāram—the support; achintya—inconceivable; rūpam—divine form; āditya-varṇam—effulgent like the sun; tamasaḥ—to the darkness of ignorance; parastāt—beyond; prayāṇa-kāle—at the time of death; manasā—mind; achalena—steadily; bhaktyā—remembering with great devotion; yuktaḥ—united; yoga-balena—through the power of yog; cha—and; eva—certainly; bhruvoḥ—the two eyebrows; madhye—between; prāṇam—life airs; āveśhya—fixing; samyak—completely; saḥ—he; tam—him; param puruṣham—the Supreme Divine Lord; upaiti—attains; divyam—divine