48. he commanded them to be baptized—not doing it with his own hands, as neither did Paul, save on rare occasions (1Co 1:14-17; compare Ac 2:38; Joh 4:2).
prayed … him to tarry certain days—"golden days" [Bengel], spent, doubtless, in refreshing Christian fellowship, and in imparting and receiving fuller teaching on the several topics of the apostle's discourse.