Acts is a book of transitions. One of the biggest of these transitions is the inclusion of non-Jews in God's plan of salvation. Not only did God bring salvation to both Jews and Gentiles, but He made them one body together in Christ.
Life has always been gift and grace. God's grace is even bigger than we thought. John 21 demonstrates this truth to us through His love for Peter after his denial of Jesus as well as through His service to the disciples.
Is Jesus the basis for your being made right before God, or is He not? Do you simply have to believe, or are there certain things you have to do to be saved?
Despite the racial, gender, and social barriers that would normally prevent a rabbi from speaking to the woman at the well, Jesus shows that the grace of the Messiah has no boundaries.
As Joseph and his brothers are reconciled at last, we clearly see the grace and sovereignty of God, who redeems even the worst acts of men for His own good purposes.
Grace as opposed to law, which is the crux of the Christian faith, is the sixth of eight "spiritual essentials" (core aspects of the Christian faith) Ken Boa discusses with his Friday morning men's study at First Redeemer Church (Cumming, GA).