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.

JFB.