Acts 1: 1-11
Luke begins the Acts of the Apostles by going back to the end of his Gospel and to the account of the ascension.  He proclaims that Jesus’ return to the Father is the beginning of the Church. 

Hebrews 9:24-28: 10: 19-23
The sacrifices of the old law are contrasted with Christ’s perfect sacrifice in which he bore our sins himself. 

Luke 24: 46-43
Jesus instructs his disciples to await his gift of the Spirit who will empower them to preach in his name.