Contradiction with Exodus 14:14
Contradicts Joshua 10:22 as it emphasizes that the Lord will fight for Israel, requiring them to be still, whereas in Joshua, human action is involved.
Exodus 14:14: The LORD shall fight for you, and ye shall hold your peace.
Contradiction with Matthew 5:44
Contradicts Joshua 10:22 where there is an enemy approach through violence, while Matthew advises love and prayer for enemies.
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
Contradicts Joshua 10:22 by instructing believers never to take revenge themselves, but to leave room for God's wrath.
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 Luke 6:27
Contradicts Joshua 10:22 by instructing to love your enemies, contrary to the aggressive tactics in Joshua.
Luke 6:27: But I say unto you which hear, Love your enemies, do good to them which hate you,
Contradiction with Proverbs 20:22
Contradicts Joshua 10:22 by advising not to say "I'll pay you back for this wrong" but to wait for the Lord's deliverance instead of engaging in battle.
Proverbs 20:22: Say not thou, I will recompense evil; [but] wait on the LORD, and he shall save thee.