Śrī Caitanya Caritamrta · Text Antya 4.223
রূপ-গোসাঞি কৈলা ‘রসামৃতসিন্ধু’ সার ।
কৃষ্ণভক্তি-রসের যাহাঁ পাইয়ে বিস্তার ॥ ২২৩ ॥
rūpa-gosāñi kailā ‘rasāmṛta-sindhu’ sāra
kṛṣṇa-bhakti-rasera yāhāṅ pāiye vistāra
Śrīla Rūpa Gosvāmī also wrote many books, the most famous of which is the Bhakti-rasāmṛta-sindhu. From that book one can understand the essence of devotional service to Kṛṣṇa and the transcendental mellows one can derive from such service.
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