We have seen that the great message of the church is, as Luke puts it here at the very beginning of Acts, a message about the Lord Jesus Christ. This is Christianity: “all that Jesus began both to do and teach”—what He is doing and what He is yet going to do. So now we continue from there because we see that our Lord addressed these men, these apostles of His, and gave them a commission. So we come, in this second chapter, to the origin of the Christian church. This is what throws light on the nature