Contradiction with Matthew 5:44
Contradicts by emphasizing love and non-violence, while 2 Samuel 23:30 lists warriors.
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 Exodus 20:13
Contradicts by commanding not to kill, opposed to the context of warrior exploits.
Exodus 20:13: Thou shalt not kill.
Contradiction with Romans 12:19
Opposes vengeance, contrasting with the warrior exploits in 2 Samuel 23:30.
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 James 1:20
Suggests human anger doesn't produce righteousness, contrasting with warrior deeds.
James 1:20: For the wrath of man worketh not the righteousness of God.
Contradiction with Matthew 26:52
"Live by the sword, die by the sword," opposing the glorification of warriors.
Matthew 26:52: Thinkest thou that I cannot now pray to my Father, and he shall presently give me more than twelve legions of angels?