Chapter one explains Luke's purpose in writing. It was to follow up all that Jesus began to do and teach with the sending of the Holy Spirit to empower the disciples as his witnesses from Jerusalem to the ends of the world.  

The church is born when many in Jerusalem for the Feast of Weeks repent and are born anew by the Holy Spirit.  

There is one last chance for Israel. This chapter describes God's final offer. 

Jesus told his disciples in a parable that the leaders of the Jews and the nation would have another year or two of grace to decide if they would receive Jesus as Messiah.  In this chapter they have reached the end of that time and have not repented.  

Holiness is important. 

The Apostles needed to share the duties with others.

Stephen is given the opportunity of giving the nation one last chance. They could yet own the Savior as their Savior. 

God begins sending the Gospel to the nations, beginning with Sameria. 

Pivot points in world history are few, but the day Saul the bitter enemy of the church and of Jesus became Paul the Apostle to the nations is one.  

Sometimes the mesage needs to be dramatic. That is the case with this message: All are included in the gospel. 

Antioch would become the hub for sending the gospel to the ends of the earth. But first the church must discover and live the truth that all men are one. Jew and Gentile must become a thing of the past. There is no Jew or Gentile, bond or free, all are one in Christ Jesus.