4:7by what name. The answer is given in v. 10: “the name of Jesus Christ of Nazareth.” There is frequent emphasis on the name of Jesus or the name of the Lord (stressing the person and work of the Lord) in Acts (2:21, 38; 3:16; 4:10, 12; 8:16; 9:15, 28; 15:26; 16:18).