Pitṛgaṇa-Vibhāga (Classification of the Pitṛs) and the Śrāddha–Soma Nourishment Cycle
एतासां तपसा सृष्टं यावद्भूमिर्द्धरिष्यति / तपःशरीरास्ताः सर्वास्थिस्रो योगबलान्विताः
etāsāṃ tapasā sṛṣṭaṃ yāvadbhūmirddhariṣyati / tapaḥśarīrāstāḥ sarvāsthisro yogabalānvitāḥ
What was brought forth by the austerity of these maidens will endure as long as the earth upholds it. All of them were embodied tapas—reduced to bone—yet endowed with the power of yoga.