Contradiction with Matthew 5:44
This verse instructs to love enemies, in contrast to the protection and potential violence implied in 2 Chronicles 23:7.
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
Encourages not to seek vengeance and leave it to God's wrath, contradicting the active protection and defense role in 2 Chronicles 23:7.
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 Luke 6:29
Advises to turn the other cheek instead of defending with force as in 2 Chronicles 23:7.
Luke 6:29: And unto him that smiteth thee on the [one] cheek offer also the other; and him that taketh away thy cloke forbid not [to take thy] coat also.
Contradiction with Exodus 20:13
The commandment "Thou shalt not kill" contradicts the authorization for potential use of lethal force suggested in 2 Chronicles 23:7.
Exodus 20:13: Thou shalt not kill.
Contradiction with Proverbs 25:21
Advises on feeding the enemy, contrasting with the idea of protection against them in 2 Chronicles 23:7.
Proverbs 25:21: If thine enemy be hungry, give him bread to eat; and if he be thirsty, give him water to drink: