Paul’s constant prayer for believers was that God would give us his Spirit so that we can know the hope, riches, and power he has for us.
The model described in Colossians 4:2-6 of ministry to those outside the church is very simple: pray, walk, and talk.
Christians need to walk wisely by being filled in the Holy Spirit.
One of Paul’s purposes in visiting Rome was to receive help to get the gospel all the way to Spain.