CC Madhya-lila 03.028 - Caitanya-candrodaya-nataka 5.13
Sri Caitanya-caritamrta
CC Madhya-lila
CC Madhya 3.28, Translation and Purport:
"O river Yamunā, you are the blissful spiritual water that gives love to the son of Nanda Mahārāja. You are the same as the water of the spiritual world, for you can vanquish all our offenses and the sinful reactions incurred in life. You are the creator of all auspicious things for the world. O daughter of the sun-god, kindly purify us by your pious activities."
This verse is recorded in the Caitanya-candrodaya-nāṭaka (5.13), by Kavi-karṇapūra.