ya etat samsmaret pratah
sayam ca susamahitah
kavir bhavati mantra-jno
gatim caiva tathatmanah
yah—anyone who; etat—about this incident; samsmaret—may remember; pratah—in the morning; sayam ca—and in the evening; susamahitah—with great attention; kavih—learned; bhavati—becomes; mantra-jnah—well aware of all Vedic mantras; gatim—the destination; ca—also; eva—indeed; tatha atmanah—like that of the self-realized soul.
If one hears and chants or remembers this narration in the morning and evening with great attention, he certainly becomes learned, experienced in understanding the Vedic hymns, and expert in self-realization.
Link to this page: http://prabhupadabooks.com/sb/9/4/12