ACTS 1 INTRODUCES many themes that are important to the whole book: Jesus’ life and ministry, his sufferings as a fact predicted in the Old Testament, the importance of and evidence for the resurrection, the importance and power of the Holy Spirit, the priority of witness, the Great Commission with its scope extending to the ends of the earth, the missionary attitude of the early church, the kingdom of God, the importance of truth and of Scripture in the Christian life, the role of the apostles, the ascension and second coming of Christ, and the importance of prayer and fellowship.
The Ascension marked the end of Jesus’ earthly ministry. The period of human limitation was at an end. Jesus now rules with His Father in Heaven. His period of humility was coming to an end and he returned exalted in Heaven. We do not have to wonder where Jesus is