Contradiction with Matthew 5:44
This verse instructs to love your enemies and bless those who curse you, which might be seen as contrasting with the idea of someone wishing harm on their enemy as suggested in Job 31:31.
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 12:14
This verse advises to bless those who persecute you, contradicting the implication of not being hospitable to enemies.
Romans 12:14: Bless them which persecute you: bless, and curse not.
Contradiction with Proverbs 25:21-22
Advises feeding your enemy if they are hungry, which could contradict wishing harm upon them.
Proverbs 25:21-22: If thine enemy be hungry, give him bread to eat; and if he be thirsty, give him water to drink:
Contradiction with Exodus 23:4-5
Instructs to return even a wandering enemy's ox to them, signifying kindness to enemies that opposes malicious wishes.
Exodus 23:4-5: If thou meet thine enemy's ox or his ass going astray, thou shalt surely bring it back to him again.
Contradiction with Luke 6:27-28
Emphasizes doing good and praying for those who mistreat you, unlike any negativity towards foes in Job 31:31.
Luke 6:27-28: But I say unto you which hear, Love your enemies, do good to them which hate you,