CC Madhya 8.196

prabhu kahe, — ‘sādhya-vastura avadhi’ ei haya
tomāra prasāde ihā jāniluṅ niścaya
Word for word: 
prabhu kahe — Śrī Caitanya Mahāprabhu confirmed; sādhya-vastura — of the object of life; avadhi — the limit; ei — this; haya — is; tomāra — of you; prasāde — by the mercy; ihā — this; jāniluṅ — I have understood; niścaya — conclusively.
Translation: 
Śrī Caitanya Mahāprabhu confirmed these verses recited by Śrī Rāmānanda Rāya, saying, “This is the limit of the goal of human life. Only by your mercy have I come to understand it conclusively.