Contradiction with Exodus 20:13
"Thou shalt not kill" contradicts with the allowance of pursuing and potentially killing in battle.
Exodus 20:13: Thou shalt not kill.
Contradiction with Matthew 5:39
"But I say unto you, That ye resist not evil" contradicts the pursuit of an opponent with the intention to fight or kill.
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
"Dearly beloved, avenge not yourselves" contradicts the act of taking vengeance in battle.
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 Proverbs 25:21-22
Advises kindness to enemies, which may contrast with the option to harm them in pursuit.
Proverbs 25:21-22: If thine enemy be hungry, give him bread to eat; and if he be thirsty, give him water to drink:
Contradiction with John 18:36
"My kingdom is not of this world: if my kingdom were of this world, then would my servants fight" contrasts earthly battles and defense.
John 18:36: Jesus answered, My kingdom is not of this world: if my kingdom were of this world, then would my servants fight, that I should not be delivered to the Jews: but now is my kingdom not from hence.
Contradiction with Matthew 26:52
"All they that take the sword shall perish with the sword" warns against fighting and killing, in contrast to martial actions.
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?