At that time Lord Saṅkarṣaṇa was meditating upon His Supreme Lord, whom the learned esteem as Lord Vāsudeva, but for the sake of the advancement of the great learned sages He slightly opened His lotus like eyes and began to speak.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
स्वमेव धिष्ण्यं बहु मानयन्तं यं वासुदेवाभिधमामनन्ति । प्रत्यग्धृताक्षाम्बुजकोशमीष- दुन्मीलयन्तं विबुधोदयाय
svameva dhiṣṇyaṃ bahu mānayantaṃ yaṃ vāsudevābhidhamāmananti | pratyagdhṛtākṣāmbujakośamīṣa- dunmīlayantaṃ vibudhodayāya
SB 3.8.4