Contradiction with Matthew 5:44
This verse commands to love your enemies and bless those who curse you, which contrasts with Saul seeking David's assurance not to harm his descendants in 1 Samuel 24:21.
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
This verse states "Thou shalt not kill," while 1 Samuel 24:21 implies a history of violence and potential future harm between Saul's house and David.
Exodus 20:13: Thou shalt not kill.
Contradiction with Romans 12:19
This verse instructs not to seek vengeance, contradicting the fear of retribution seen in Saul's plea for mercy from David in 1 Samuel 24:21.
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
Similar to Romans 12:20, this verse advises to feed your enemy if he is hungry, which contrasts with the underlying enmity and distrust in 1 Samuel 24:21.
Proverbs 25:21: If thine enemy be hungry, give him bread to eat; and if he be thirsty, give him water to drink:
Contradiction with Proverbs 20:22
This passage suggests waiting for the Lord's deliverance rather than seeking assurances of safety through human promises, as Saul does in 1 Samuel 24:21.
Proverbs 20:22: Say not thou, I will recompense evil; [but] wait on the LORD, and he shall save thee.
Contradiction with 1 Peter 3:9
Instructs not to repay evil for evil, contrasting with the need for an oath from David not to retaliate as expressed in 1 Samuel 24:21.
1 Peter 3:9: Not rendering evil for evil, or railing for railing: but contrariwise blessing; knowing that ye are thereunto called, that ye should inherit a blessing.
Contradiction with Luke 6:27
Commands to love your enemies, contrasting the distrust and need for assurances expressed by Saul in 1 Samuel 24:21.
Luke 6:27: But I say unto you which hear, Love your enemies, do good to them which hate you,