CC Madhya-lila 08.206 - Govinda-lilamrta 10.17
Sri Caitanya-caritamrta
CC Madhya-lila
CC Madhya 8.206, Translation and Purport:
“"The pastimes of Śrī Rādhā and Kṛṣṇa are self-effulgent. They are happiness personified, unlimited and all-powerful. Even so, the spiritual humors of such pastimes are never complete without the gopīs, the Lord"s personal friends. The Supreme Personality of Godhead is never complete without His spiritual potencies; therefore unless one takes shelter of the gopīs, one cannot enter into the company of Rādhā and Kṛṣṇa. Who can be interested in Their spiritual pastimes without taking their shelter?’
This is a quotation from the Govinda-līlāmṛta (10.17).