Contradiction with Exodus 20:13
Contradicts Joshua 6:23 by commanding "Thou shalt not kill," whereas Joshua 6 portrays the Israelites carrying out the destruction of Jericho.
Exodus 20:13: Thou shalt not kill.
Contradiction with Matthew 5:44
Contradicts Joshua 6:23 by teaching to love and pray for enemies, in contrast to the actions of destroying a city.
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 12:17
Contradicts Joshua 6:23 by advising not to repay evil with evil, differing from the warfare context in Joshua.
Romans 12:17: Recompense to no man evil for evil. Provide things honest in the sight of all men.
Contradiction with Matthew 5:9
Contradicts Joshua 6:23 by promoting peacemaking instead of the conquest depicted in the verse.
Matthew 5:9: Blessed [are] the peacemakers: for they shall be called the children of God.
Contradiction with Proverbs 25:21
Contradicts Joshua 6:23 by suggesting feeding and giving drink to enemies, unlike the war actions.
Proverbs 25:21: If thine enemy be hungry, give him bread to eat; and if he be thirsty, give him water to drink:
Contradiction with Luke 6:27
Contradicts Joshua 6:23 by saying to do good to those who hate you, opposite to the destruction narrative.
Luke 6:27: But I say unto you which hear, Love your enemies, do good to them which hate you,
Contradiction with Romans 12:18
Contradicts Joshua 6:23 by urging to live peaceably with all, differing from engaging in battle.
Romans 12:18: If it be possible, as much as lieth in you, live peaceably with all men.
Contradiction with James 3:18
Contradicts Joshua 6:23 by highlighting that peace is sown in righteousness, not violence as in Jericho's fall.
James 3:18: And the fruit of righteousness is sown in peace of them that make peace.
Contradiction with 1 Peter 3:9
Contradicts Joshua 6:23 by urging not to repay evil with evil, contrasting the combat in Joshua's conquest.
1 Peter 3:9: Not rendering evil for evil, or railing for railing: but contrariwise blessing; knowing that ye are thereunto called, that ye should inherit a blessing.