CC Madhya 9.105

kṛṣṇa-sphūrtye tāṅra mana hañāche nirmala
ataeva prabhura tattva jānila sakala
Synonyms: 
kṛṣṇa-sphūrtye — by revelation of Lord Kṛṣṇa; tāṅra — his; mana — mind; hañāche — did become; nirmala — purified; ataeva — therefore; prabhura — of Lord Śrī Caitanya Mahāprabhu; tattva — truth; jānila — could understand; sakala — all.
Translation: 
The mind of the brāhmaṇa was purified by the revelation of Lord Kṛṣṇa, and therefore he could understand the truth of Śrī Caitanya Mahāprabhu in all details.