Contradiction with James 4:4
James 4:4 emphasizes the enmity with God that friendship with the world brings, contradicting the idea of peace with God in Romans 1:7.
James 4:4: Ye adulterers and adulteresses, know ye not that the friendship of the world is enmity with God? whosoever therefore will be a friend of the world is the enemy of God.
Contradiction with Matthew 10:34
Matthew 10:34 states that Jesus did not come to bring peace but a sword, which contradicts the message of peace in Romans 1:7.
Matthew 10:34: Think not that I am come to send peace on earth: I came not to send peace, but a sword.