sarva-bhūteṣu yaḥ paśyed
sarva-bhūteṣu yaḥ paśyed bhagavad-bhāvam ātmanaḥ |
bhūtāni bhagavaty ātmany eṣa bhāgavatottamaḥ ||
(Śrīmad Bhāgavatam: 11.2.45)
“One who can see the presence of one’s own Bhagavān [i.e., one’s Iṣṭadevatā] within all entities and [all] entities within the Bhagavān within oneself [i.e., within one’s Iṣṭadevatā] is a topmost bhāgavata.”