Contradiction with Matthew 5:44
Contradicts the idea of engaging in battle by teaching to love your enemies and pray for those who persecute 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 12:19
Opposes the notion of self-defense in battle by instructing believers to leave vengeance to God.
Romans 12:19: Dearly beloved, avenge not yourselves, but [rather] give place unto wrath: for it is written, Vengeance [is] mine; I will repay, saith the Lord.
Contradiction with Exodus 14:14
Suggests that the Lord will fight for you, which contradicts taking active part in battle as seen in 2 Chronicles 13:14.
Exodus 14:14: The LORD shall fight for you, and ye shall hold your peace.
Contradiction with Proverbs 20:22
Advises against repaying evil, promoting waiting on the Lord for salvation, contrary to engaging directly in conflict.
Proverbs 20:22: Say not thou, I will recompense evil; [but] wait on the LORD, and he shall save thee.
Contradiction with Luke 6:27-29
Advocates turning the other cheek and doing good to those who hate you, in contrast to preparing for battle.
Luke 6:27-29: But I say unto you which hear, Love your enemies, do good to them which hate you,