SB 8.17.22

sa vai samādhi-yogena
 kaśyapas tad abudhyata
praviṣṭam ātmani harer
 aṁśaṁ hy avitathekṣaṇaḥ
Word for word: 
saḥ — Kaśyapa Muni; vai — indeed; samādhi-yogena — by mystic meditation; kaśyapaḥ — Kaśyapa Muni; tat — then; abudhyata — could understand; praviṣṭam — entered; ātmani — within himself; hareḥ — of the Supreme Lord; aṁśam — a plenary portion; hi — indeed; avitatha-īkṣaṇaḥ — whose vision is never mistaken.
Translation: 
Being situated in a meditational trance, Kaśyapa Muni, whose vision is never mistaken, could see that a plenary portion of the Supreme Personality of Godhead had entered within him.