Contradiction with Matthew 10:34
Colossians 4:8 talks about comforting hearts, while Matthew 10:34 focuses on bringing division rather than peace.
Matthew 10:34: Think not that I am come to send peace on earth: I came not to send peace, but a sword.
Contradiction with Luke 12:51
Colossians 4:8 is about unity and comfort, whereas Luke 12:51 speaks about division, not peace.
Luke 12:51: Suppose ye that I am come to give peace on earth? I tell you, Nay; but rather division: