Contradiction with Exodus 21:12
While 1 Samuel 11:13 shows Saul sparing lives after a victory, Exodus 21:12 states whoever strikes a man so that he dies shall be put to death, implying justice through capital punishment.
Exodus 21:12: He that smiteth a man, so that he die, shall be surely put to death.
Contradiction with Deuteronomy 19:21
1 Samuel 11:13 shows mercy and no retribution, while Deuteronomy 19:21 emphasizes an eye for an eye, requiring retributive justice.
Deuteronomy 19:21: And thine eye shall not pity; [but] life [shall go] for life, eye for eye, tooth for tooth, hand for hand, foot for foot.
Contradiction with Matthew 5:44
In 1 Samuel 11:13, Saul is seen as merciful, not taking vengeance, which aligns with Matthew 5:44's call to love enemies, but this contradicts other Old Testament calls for retribution.
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 Proverbs 24:17
Although not directly in opposition, Proverbs 24:17 warns against gloating over enemy downfall, whereas 1 Samuel 11:13 reflects mercy after a victory.
Proverbs 24:17: Rejoice not when thine enemy falleth, and let not thine heart be glad when he stumbleth:
Contradiction with Leviticus 24:17
Leviticus 24:17 cites death as the punishment for killing a human, contrasting with Saul’s reaction in 1 Samuel 11:13, where he chooses not to execute those who opposed him.
Leviticus 24:17: And he that killeth any man shall surely be put to death. [killeth...: Heb. smiteth the life of a man]