Colossians 4:1-3

4:1 Masters, treat your slaves with justice and fairness, because you know that you also have a master in heaven.

Exhortation to Pray for the Success of Paul’s Mission

4:2 Be devoted to prayer, keeping alert in it with thanksgiving. 4:3 At the same time pray for us too, that God may open a door for the message so that we may proclaim the mystery of Christ, for which I am in chains.