CC Madhya 7.147

prabhu kahe, — “kabhu tomāra nā habe abhimāna
nirantara kaha tumi ‘kṛṣṇa’ ‘kṛṣṇa’ nāma
Word for word: 
prabhu kahe — the Lord said; kabhu — at any time; tomāra — your; nā — not; habe — there will be; abhimāna — pride; nirantara — incessantly; kaha — chant; tumi — you; kṛṣṇa kṛṣṇa nāma — the holy name of Lord Kṛṣṇa.
Translation: 
To protect the brāhmaṇa, Śrī Caitanya Mahāprabhu advised him to chant the Hare Kṛṣṇa mantra incessantly. By doing so, he would never become unnecessarily proud.