After creating the material substance, the Lord [Vāsudeva] expands Himself and enters into it. And although He is within the material modes of nature and appears to be one of the created beings, He is always fully enlightened in His transcendental position.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
तया विलसितेष्वेषु गुणेषु गुणवानिव । अन्तःप्रविष्ट आभाति विज्ञानेन विजृम्भितः
tayā vilasiteṣveṣu guṇeṣu guṇavāniva | antaḥpraviṣṭa ābhāti vijñānena vijṛmbhitaḥ
SB 1.2.31