Caitanya-caritāmṛta 7.169
nigūḍha caitanya-līlā bujhite kā’ra śakti? sei bujhe, gauracandre yāṅra dṛḍha bhakti
[nigoodha chaitanya-leelaa bujhite kaa’ra shakti? sei bujhe, gaurachandre yaanra dridha bhakti]
Blended reading (Sanskrit + English inline)
nigūḍha caitanya-līlā bujhite kā’ra śakti? sei bujhe, gauracandre yāṅra dṛḍha bhakti
The pastimes of Śrī Caitanya Mahāprabhu are very deep. Who can understand them? Only one who has firm, deep devotion to His lotus feet can understand these pastimes.
My note
Source: vedabase.io