Śrī Havir said: The most advanced devotee sees within everything the soul of all souls, the Supreme Personality of Godhead, Śrī Kṛṣṇa. Consequently he sees everything in relation to the Supreme Lord and understands that everything that exists is eternally situated within the Lord.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
हरिरुवाच । सर्वभूतेषु यः पश्येद्भगवद्भावमात्मनः । भूतानि भगवत्यात्मन्येष भागवतोत्तमः
hariruvāca | sarvabhūteṣu yaḥ paśyedbhagavadbhāvamātmanaḥ | bhūtāni bhagavatyātmanyeṣa bhāgavatottamaḥ
SB 11.2.45