Caitanya-caritāmṛta 16.135
parama durlabha ei kṛṣṇādharāmṛta tāhā yei pāya, tāra saphala jīvita
[parama durlabha ei krishnaadharaamrita taahaa yei paaya, taara saphala jeevita]
Blended reading (Sanskrit + English inline)
parama durlabha ei kṛṣṇādharāmṛta tāhā yei pāya, tāra saphala jīvita
Śrī Caitanya Mahāprabhu continued, “This nectar from Kṛṣṇa’s lips is supremely difficult to obtain, but if one gets some, his life becomes successful.
My note
Source: vedabase.io