In the conclusion of his case against humanity, Paul demonstrated that all are under sin, which is why all need the redemption that is only in Christ.
How should we get ready for the new heavens and the new earth? In his closing words in 2 Peter 3:14-18, Peter lays out...
Salvation is not a matter of racial identity or religious privilege but of true righteousness, which comes through the gospel.
The model described in Colossians 4:2-6 of ministry to those outside the church is very simple: pray, walk, and talk.