Contradiction with Matthew 5:44
Esther 8:8 permits retribution against enemies, whereas Matthew 5:44 advocates 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
Esther 8:8 allows people to avenge themselves, while Romans 12:19 advises leaving vengeance to God.
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 Exodus 14:14
Esther 8:8 speaks of self-defense and defense of rights, while Exodus 14:14 tells that the Lord will fight for you.
Exodus 14:14: The LORD shall fight for you, and ye shall hold your peace.
Contradiction with Proverbs 20:22
Esther 8:8 permits retaliation, while Proverbs 20:22 advises against repaying evil.
Proverbs 20:22: Say not thou, I will recompense evil; [but] wait on the LORD, and he shall save thee.
Contradiction with Deuteronomy 32:35
Esther 8:8 involves human judgment and action, while Deuteronomy 32:35 emphasizes divine retribution.
Deuteronomy 32:35: To me [belongeth] vengeance, and recompence; their foot shall slide in [due] time: for the day of their calamity [is] at hand, and the things that shall come upon them make haste.