Contradiction with Proverbs 16:7
This verse states that when a man's ways please the Lord, he makes even his enemies to be at peace with him. This contradicts 1 Samuel 19:7 where despite peace between Saul and David temporarily, Saul continues to seek David's harm later.
Proverbs 16:7: When a man's ways please the LORD, he maketh even his enemies to be at peace with him.
Contradiction with Matthew 5:44
This verse encourages loving your enemies and blessing those who curse you, which is in contrast to the ongoing enmity Saul has towards David despite their reconciliation in 1 Samuel 19:7.
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 Psalm 7:16
This verse notes that the trouble of the wicked will return upon their own head, contrasting with the temporary peace David experiences with Saul in 1 Samuel 19:7 despite Saul's later actions against him.
Psalm 7:16: His mischief shall return upon his own head, and his violent dealing shall come down upon his own pate.
Contradiction with Romans 12:18
This verse advises, "If it be possible, as much as lieth in you, live peaceably with all men," which contrasts with the ongoing strife between Saul and David, even after they are reconciled in 1 Samuel 19:7.
Romans 12:18: If it be possible, as much as lieth in you, live peaceably with all men.