Padma Purana 1.14.142

Padmapurāṇa 1.14.142

nārāyaṇaṃvītamalaṃpurāṇaṃparātparaṃviṣṇumapārapāram
purātanaṃnītimatāṃpradhānaṃdhṛtikṣamāśāṃtiparaṃkṣitīśam