In 1 Samuel 19:10, Saul immediately tries to kill David with a javelin, breaking the oath he swore here.

In 1 Samuel 19:11, Saul sends men to kill David at his house, further breaking his oath.

In 1 Samuel 19:15, Saul persists in seeking David's death, contradicting his sworn oath.

In 1 Samuel 14:39, Saul swears a deadly oath by the LORD; here he swears an oath not to kill David, showing his shifting resolve.

In 1 Samuel 20:31, Saul reaffirms his intent to kill David, showing his oath was false.

1 Samuel 28:10 has Saul swearing by the LORD to protect the witch; both use the same oath formula, highlighting Saul's frequent oaths.

Psalm 15:4 praises one who swears to his own hurt and does not change; Saul's later breaking of this oath contrasts with that ideal.

Proverbs 26:24 describes one who hides hatred with fair words — Saul's oath here is a dissembling promise, as he later seeks David's life.

Proverbs 26:25 warns against trusting fair speech — Saul's oath is fair but his heart later holds murderous intent.

Jeremiah 5:2 condemns swearing by the LORD falsely — Saul's oath here is exactly that, as he later attempts to kill David.