By the hands of the apostles; by the apostles’ ministry: though they were holy and excellent men, they were but instruments; the power they acted by was God’s; which also they had prayed for and acknowledged, Act_4:30.
Among the people; generally among the meaner sort, according to that question, Have any of the rulers believed on him?Joh_7:48.
Not many mighty, not many noble, are called, 1Co_1:26.
In Solomon’s porch; a large and capacious place, where they might with greatest convenience hear and see what was done and said.