Contradiction with Matthew 5:39
While 2 Samuel 23:12 depicts standing one's ground in battle, Matthew 5:39 advises turning the other cheek and not resisting evil.
Matthew 5:39: But I say unto you, That ye resist not evil: but whosoever shall smite thee on thy right cheek, turn to him the other also.
Contradiction with Romans 12:19
2 Samuel 23:12 illustrates personal defense and victory, whereas Romans 12:19 emphasizes leaving vengeance to God instead of taking personal retribution.
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
In contrast to the active defense in 2 Samuel 23:12, Exodus 14:14 advocates for letting the Lord fight on one's behalf and remaining peaceful.
Exodus 14:14: The LORD shall fight for you, and ye shall hold your peace.
Contradiction with Proverbs 20:22
Unlike the asserting stance in 2 Samuel 23:12, Proverbs 20:22 teaches not to say "I'll repay evil" but to wait for the Lord for deliverance.
Proverbs 20:22: Say not thou, I will recompense evil; [but] wait on the LORD, and he shall save thee.
Contradiction with 1 Peter 2:23
2 Samuel 23:12 showcases physical defense, while 1 Peter 2:23, speaking of Christ, highlights not retaliating or threatening in response to suffering.
1 Peter 2:23: Who, when he was reviled, reviled not again; when he suffered, he threatened not; but committed [himself] to him that judgeth righteously: [himself: or, his cause]
Contradiction with Luke 6:29
The active defense in 2 Samuel 23:12 contrasts with Luke 6:29, which teaches offering the other cheek and not resisting an aggressor.
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.