sādhu-lakṣaṇa - the symptoms of a devotee; sādhu-saṅga - association with devotees; sādhu-sevana - offering service to devotees; asat-saṅga-tyāga - giving up the company of nondevotees; śrī-bhāgavata-śravaṇa - regularly hearing the recitation of Śrīmad-Bhāgavatam.

“You should describe the symptoms of a devotee, how to associate with devotees, how to satisfy a devotee by rendering service, and how to give up the association of nondevotees. You should also explain the value of regularly hearing the recitation of Śrīmad-Bhāgavatam.