• The Four Acts of Redemptive Narrative
The four acts unfold God’s plot and plan of salvation for all humanity. The first act is about the fallenness, the second is about the redemption of Christ, the third is about the “already-but-not yet” period with the help of the Spirit, and the fourth is the consummation. These four acts of redemptive narrative provide a big picture of God’s plan and the universal status of humanity.
• Hospitality ethic (Romans 15)
The emphasis is on living in community with others. The ethics of love and hospitality should be found in the ages before Christ’s second coming.

• Paul’s use of Romans 1:3-5
One of the passages that Paul used to show his rhetoric argument related to the necessary action for cross-cultural