Colossians to  1 John

Link between Colossians and 1 John.

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17Say to Archippus, Beware for the ministry which you have received in our master, that you fulfill it. Colossians 4:17 (Colossians 4:17 BRB)
4These things we write to you that our joy that is in you may be complete. (1 John 1:4 BRB)