mahaprabhura lila yata bahira-antara
dui bhai tanra mukhe sune nirantara
mahaprabhura—of Lord Sri Caitanya Mahaprabhu; lila—pastimes; yata—all; bahira—external; antara—internal; dui bhai—the two brothers; tanra—his; mukhe—in the mouth; sune—hear; nirantara—always.
Because Raghunatha dasa Gosvami was an assistant to Svarupa Damodara, he knew much about the external and internal features of the pastimes of Lord Caitanya. Thus the two brothers Rupa and Sanatana always used to hear of this from him.
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