Contradiction with Mark 11:25
This verse emphasizes forgiveness, whereas Joshua 20:1 leads to laws concerning cities of refuge for those who commit unintentional killings.
Mark 11:25: And when ye stand praying, forgive, if ye have ought against any: that your Father also which is in heaven may forgive you your trespasses.
Contradiction with Exodus 21:23-24
Advocates for the principle of "an eye for an eye", in contrast to the refuge for unintentional killers in Joshua 20:1.
Exodus 21:23-24: And if [any] mischief follow, then thou shalt give life for life,
Contradiction with Numbers 35:16-21
Demands death for certain killings, while Joshua 20:1 introduces cities of refuge for unintentional killers.
Numbers 35:16-21: And if he smite him with an instrument of iron, so that he die, he [is] a murderer: the murderer shall surely be put to death.
Contradiction with Deuteronomy 19:21
Promotes strict retribution, conflicting with the protective purpose of the cities of refuge in Joshua 20:1.
Deuteronomy 19:21: And thine eye shall not pity; [but] life [shall go] for life, eye for eye, tooth for tooth, hand for hand, foot for foot.
Contradiction with Romans 12:19
Advises against seeking personal vengeance, while Joshua 20:1 involves procedures for manslaughter.
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.