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 4:12

4:12 Epaphras, who is one of you and a slave of Christ, greets you. He is always struggling in prayer on your behalf, so that you may stand mature and fully assured in all the will of God.