Ābhūta-saṃplava & Loka-vibhāga
Dissolution Threshold and the Fourteen Abodes
इत्येतदमृतं शुक्रं नित्यमक्षयव्ययम् / देवर्षयो ब्रह्मसत्रं सनातनमुपासते
ityetadamṛtaṃ śukraṃ nityamakṣayavyayam / devarṣayo brahmasatraṃ sanātanamupāsate
Thus this radiant essence is ambrosial, eternal, undiminishing and imperishable; the Devarishis worship the Sanātana Brahmasatra.