The Great Epic of the Bhārata dynasty 6.24.72

6.24.72

eṣā brāhmī sthitiḥ pārtha naināṃ prāpya vimuhyati |
sthitvāsyāmantakāle'pi brahmanirvāṇamṛcchati || 72 ||

This is to have one's being in Brahman, O son of Prithâ. None, attaining to this, becomes deluded. Being established therein, even at the end of life, a man attains to oneness with Brahman.
The end of second chapter, designated The Way of Knowledge.