Contradiction with Matthew 5:44
2 Samuel 10:14 describes war and pursuit of defeated enemies, while Matthew 5:44 teaches to love enemies and do good to those who hate you.
Matthew 5:44: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with Romans 12:18
2 Samuel 10:14 involves military conflict, whereas Romans 12:18 encourages living peaceably with all men.
Romans 12:18: If it be possible, as much as lieth in you, live peaceably with all men.
Contradiction with Proverbs 16:7
2 Samuel 10:14 shows a battle, but Proverbs 16:7 implies that when a man's ways please the Lord, he makes even his enemies to be at peace with him.
Proverbs 16:7: When a man's ways please the LORD, he maketh even his enemies to be at peace with him.
Contradiction with Matthew 26:52
2 Samuel 10:14 depicts the use of swords in battle, while Matthew 26:52 warns that all who take the sword will perish with the sword.
Matthew 26:52: Thinkest thou that I cannot now pray to my Father, and he shall presently give me more than twelve legions of angels?
Contradiction with Luke 6:27
2 Samuel 10:14 involves fighting against enemies, whereas Luke 6:27 encourages doing good to those who hate you.
Luke 6:27: But I say unto you which hear, Love your enemies, do good to them which hate you,