Colossians 1:23

1:23 if indeed you remain in the faith, established and firm, without shifting from the hope of the gospel that you heard. This gospel has also been preached in all creation under heaven, and I, Paul, have become its servant.

Colossians 2:5

2:5 For though I am absent from you in body, I am present with you in spirit, rejoicing to see your morale and the firmness of your faith in Christ.