Contradiction with Exodus 21:13
Contradicts Numbers 35:20 by stating that God allows for a place of refuge if a person did not lie in wait to kill.
Exodus 21:13: And if a man lie not in wait, but God deliver [him] into his hand; then I will appoint thee a place whither he shall flee.
Contradiction with Deuteronomy 19:4-5
Describes a scenario where unintentional killing is given protection and refuge, contrasting the intent described in Numbers 35:20.
Deuteronomy 19:4-5: And this [is] the case of the slayer, which shall flee thither, that he may live: Whoso killeth his neighbour ignorantly, whom he hated not in time past; [in...: Heb. from yesterday the third day]
Contradiction with Joshua 20:3
Offers refuge for those who kill without intent, which contrasts with the intent to kill in Numbers 35:20.
Joshua 20:3: That the slayer that killeth [any] person unawares [and] unwittingly may flee thither: and they shall be your refuge from the avenger of blood.
Contradiction with Matthew 5:44
Encourages love for enemies, contradicting the act of hatred leading to murder in Numbers 35:20.
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
Advises against taking vengeance, contradicting the intent to harm in Numbers 35:20.
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.