Agnipurana 217.12

217.12

akṣayantvañca vaṃśasya dharme ca matimakṣayāṃ /
agnir uvāca
vasiṣṭhena stutaḥ śambhustuṣṭaḥ śrīparvate purā //

and the imperishability of my lineage, and imperishable resolve in righteousness!
Agni said:
Praised by Vasiṣṭha in ancient times on Śrīparvata, Śambhu was pleased;