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एषा ब्राह्मी स्थिति पार्थ नैनां प्राप्य विमुह्यति |
स्थित्वास्यामन्तकालेऽपि ब्रह्मनिर्वाणमृच्छति || 72||
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2.72
O Parth, such is the state of an enlightened soul that having attained it, one is never again deluded. Being established in this consciousness even at the hour of death, one is liberated from the cycle of life and death and reaches the Supreme Abode of God.

Brahman
means God, and
Brāhmī sthiti
means the state of God-realization. When the soul purifies the heart (the mind and intellect are sometimes jointly referred to as the heart), God bestows his divine grace, as mentioned in verse 2.64. By his grace, he grants divine knowledge, divine bliss, and divine love to the soul. All these are divine energies that are given by God to the soul at the time of God-realization.
At the same time, he liberates the soul from the bondage of Maya. The
sañchit
karmas (account of karmas of endless lifetimes) are destroyed. The
avidyā
, ignorance within, from endless lifetimes in the material world, is dispelled. The influence of
tri-guṇas
, three modes of material nature, ceases. The
tri-doṣhas
, three defects of the materially conditioned state come to an end. The
pañch-kleśhas
, five defects of the material intellect, are destroyed. The
pañch-kośhas
, five sheaths of the material energy, are burnt. And from that point onward, the soul becomes free from the bondage of Maya for the rest of eternity.
When this state of God-realization is achieved, the soul is said to be
jīvan mukt
, or liberated even while residing in the body. Then, at the time of death, the liberated soul finally discards the corporeal body, and it reaches the Supreme Abode of God. The Rig Veda states
tadviṣhṇoḥ paramaṁ padaṁ sadā paśhyanti sūrayaḥ
(1.22.20) [v60]
“Once the soul attains God, it always remains in union with him. After that, the ignorance of Maya can never overpower it again.” That state of eternal liberation from Maya is also called
nirvāṇ, mokṣha,
etc. As a result, liberation is a natural consequence of God-realization.