CC Antya 4.65

kubuddhi chāḍiyā kara śravaṇa-kīrtana
acirāt pābe tabe kṛṣṇera caraṇa
Synonyms: 
ku-buddhi — intelligence not favorable to discharging devotional service; chāḍiyā — giving up; kara — just do; śravaṇa-kīrtana — hearing and chanting; acirāt — very soon; pābe — you will get; tabe — then; kṛṣṇera caraṇa — the lotus feet of Kṛṣṇa.
Translation: 
Caitanya Mahāprabhu told Sanātana Gosvāmī, “Give up all your nonsensical desires, for they are unfavorable for getting shelter at the lotus feet of Kṛṣṇa. Engage yourself in chanting and hearing. Then you will soon achieve the shelter of Kṛṣṇa without a doubt.