Contradiction with Proverbs 3:5
This verse advises trusting in the Lord with all one's heart and not leaning on one's own understanding, which contrasts with the suspicion and lack of trust exhibited in 2 Samuel 3:25.
Proverbs 3:5: Trust in the LORD with all thine heart; and lean not unto thine own understanding.
Contradiction with Romans 12:19
This verse commands believers to not avenge themselves but to leave vengeance to God, which contradicts the desire for revenge implied in 2 Samuel 3:25.
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 Matthew 5:44
This verse instructs to love enemies and pray for those who persecute you, opposing the suspicion and conflict demonstrated in 2 Samuel 3:25.
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;