Contradiction with Proverbs 19:21
This verse highlights that many are the plans in a man's heart, but it is the LORD's purpose that prevails, contrasting with the reliance on a covenant between Jonathan and David.
Proverbs 19:21: [There are] many devices in a man's heart; nevertheless the counsel of the LORD, that shall stand.
Contradiction with James 4:15
This verse states to say "If the Lord wills," acknowledging divine will over personal oaths or covenants.
James 4:15: For that ye [ought] to say, If the Lord will, we shall live, and do this, or that.
Contradiction with Matthew 5:37
This verse advises letting your communication be simply 'Yes' or 'No,' avoiding oaths, which contrasts with the covenant made in 1 Samuel 20:23.
Matthew 5:37: But let your communication be, Yea, yea; Nay, nay: for whatsoever is more than these cometh of evil.
Contradiction with Jeremiah 17:5
This verse warns against trusting in man and making flesh one's strength, differing from relying on a human covenant.
Jeremiah 17:5: Thus saith the LORD; Cursed [be] the man that trusteth in man, and maketh flesh his arm, and whose heart departeth from the LORD.