CC Antya 20.77

prabhura gambhīra-līlā nā pāri bujhite
buddhi-praveśa nāhi tāte, nā pāri varṇite
Synonyms: 
prabhura — of Śrī Caitanya Mahāprabhu; gambhīra — deep; līlā — the pastimes; pāri — I am not able; bujhite — to understand; buddhi-praveśa nāhi — my intelligence cannot penetrate; tāte — because of this; pāri — I am not able; varṇite — to describe properly.
Translation: 
I cannot understand the very deep, meaningful pastimes of Śrī Caitanya Mahāprabhu. My intelligence cannot penetrate them, and therefore I could not properly describe them.