Colossians 2:2

2:2 My goal is that their hearts, having been knit together in love, may be encouraged, and that they may have all the riches that assurance brings in their understanding of the knowledge of the mystery of God, namely, Christ,

Colossians 2:11

2:11 In him you also were circumcised – not, however, with a circumcision performed by human hands, but by the removal of the fleshly body, that is, through the circumcision done by Christ.

Colossians 3:15

3:15 Let the peace of Christ be in control in your heart (for you were in fact called as one body to this peace), and be thankful.

Colossians 4:3

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.