saṅkīrtana-yajñe kalau kṛṣṇa-ārādhana
sei ta' sumedhā pāya kṛṣṇera caraṇa
saṅkīrtana-yajñe - performing the yajña of chanting the Hare Kṛṣṇa mantra;kalau - in this Age of Kali;kṛṣṇa-ārādhana - the process of worshiping Kṛṣṇa;sei ta' - such persons;su-medhā - greatly intelligent;pāya - get;kṛṣṇera caraṇa - shelter at the lotus feet of Kṛṣṇa.
За более подробным объяснением обращайтесь к стихам 77–78 третьей главы Ади-лилы.