This, O Partha, is the state of one established in Brahman. Having reached it, one is no longer deluded. Remaining in it even at the time of death, one attains the nirvana of Brahman.
Explanation
Krishna closes the second chapter by summing up the steady-minded person (sthitaprajña) he has described: free from craving, possessiveness and ego. Addressing Arjuna as Partha (son of Pritha), he calls this the state of Brahman (brāhmī sthiti), a life grounded in Brahman, the ultimate reality. Once reached, delusion (moha) does not return, and even if one gains it only at life's end, one attains brahma-nirvāṇa, merging into or resting in Brahman. Traditions differ on whether this is union with an impersonal absolute or liberation in devoted closeness to God.