CC Antya 19.111

caitanya-caritāmṛta — nitya-nūtana
śunite śunite juḍāya hṛdaya-śravaṇa
Word for word: 
caitanya-caritāmṛta — the book named Caitanya-caritāmṛta; nitya-nūtana — always fresh; śunite śunite — by hearing and hearing; juḍāya — becomes pacified; hṛdaya-śravaṇa — the ear and heart.
Translation: 
Śrī Caitanya-caritāmṛta is ever-increasingly fresh. For one who hears it again and again, the heart and ear become pacified.