Genesis 21 describes the birth of Isaac, Abraham's growing faith, and the tension that develops between Sarah and Hagar (symbolizing the clash between law and grace).
Matthew 28 records the resurrection of Jesus and the Great Commission that Jesus left with His disciples before leaving earth and ascending into heaven.
Three men, including an angel of the Lord (a manifestation of the preincarnate Christ), delivers the news to Abraham and Sarah that they will soon have a son, Isaac, who is the son of the covenant promise God made earlier to Abraham.
This chapter tells the story of the crucifixion, and the pain, suffering, and humiliation Jesus endured for our sake both leading up to and while on the cross.
In this key chapter in Genesis, God declares Abram/Abraham justified because of his faith in him, not because of any good works he did. We too are declared righteous on the same basis, by grace through faith in Christ.
Jesus' death by crucifixion is preceded by betrayal, arrest, and a trial, and its timing during Passover links the long-awaited Messiah with the Paschal lamb.
This crucial chapter records the calling of Abram and God's threefold covenant with him (involving land, seed, and blessing). God's promise to bless “all the families of the earth" through Abraham's seed was ultimately fulfilled in Jesus Christ.
In Matthew 25, the Olivet Discourse continues with two parables illustrating the judgment of Israel and an emphasis on the need to be on the alert for the second coming of Christ.
In addition to tracing the lineage from Noah's son Shem to Abram, this chapter tells the story of the Tower of Babel, an act of rebellion against God. Ken Boa discusses modern technology, today's "universal language," in the context of this passage and Scriptures about the end times.
In the first part of His Olivet Discourse, Jesus anticipates the destruction of Jerusalem (eventually takes place in AD 70) and exhorts all to be ready for His second coming.