Bhagavad-Gita The Song Divine Chapter 8 (stanza 1-11)

Arjun said: Krishna, what is that Brahma (Absolute), what is Adhyatma (Spirit), and what is Karma (Action)? What is called Adhibhuta (Matter) and what is termed as Adhidaiva (Divine Intelligence)? …………………….. (1)

Krishna, who is Adhiyajna here and how does he dwell in the body? And how are You to be realized at the time of death by those of steadfast mind? ……………… (2)

Sri Bhagavan said: The supreme Indestructible is Brahma; one's own Self (the individual soul) is called Adhyatma; and the Primal resolve of God, (Visarga), which brings forth the existence of beings, is called Karma (Action). ……………….. (3)

All perishable objects are Adhibhuta; the shining Purusa (Brahma) is Adhidaiva; and in this body I Myself, dwelling as the inner witness, am Adhiyajna, O Arjun! …………….. (4)

He, who departs from the body, thinking of Me alone even at the time of death, attains My state; there is no doubt about it. …………… (5)

Arjun, thinking of whatever entity one leaves the body at the time of death, that and that alone one attains, being ever absorbed in its thought. …….. (6)

Therefore, Arjun, think of Me at all times and fight. With mind and reason thus set on Me, you will doubtless come to Me. ……………… (7)

Arjun, he who with his mind disciplined through Yoga in the form of practice of meditation and thinking of nothing else, is constantly engaged in contemplation of God attains the supremely effulgent Divine Purusa (God). ………….. (8)

He who contemplates on the all-knowing, ageless Being, the Ruler of all, subtler than the subtle, the universal sustainer, possessing a form beyond human conception, effulgent like the sun and far beyond the darkness of ignorance. ………….. (9)

Having by the power of Yoga firmly held the life-breath in the space between the two eyebrows even at the time of death, and then contemplating on God with a steadfast mind, full of devotion, he reaches verily that supreme divine Purusa (God). …… (10)

I shall tell you briefly about that supreme goal (viz., God, who is an embodiment of Truth, knowledge and Bliss), which the knower's of the Veda term as the Indestructible, which striving recluses, free from passion, merge into, and desiring which the celibates practice Brahmacarya.  …………….. (11)