6 Saul listened to Jonathan, and swore by the life of the LORD that David would not be killed.
1 Samuel 19:6 Cross References - ISV
1 Samuel 14:39
39 Indeed, as the LORD who delivers Israel lives, even if the sin is with my son Jonathan, he will surely die!” Not a single one of the soldiers answered him.
1 Samuel 19:10-11
10 Saul tried to pin David to the wall with the spear, but he jumped away from Saul and the spear stuck in the wall. That night David escaped and fled.
11Michal Helps David EscapeSaul sent messengers to David’s house to watch him so they could kill him in the morning. David’s wife, Michal, told him, “If you don’t escape with your life tonight, tomorrow you’ll be put to death.”
11
1 Samuel 28:10
10 Saul swore to her by the LORD: “As surely as the LORD lives, no punishment will come on you for this thing.”
Psalms 15:4
4 The one who despises those who are utterly wicked, but who honors the one who fears the LORD, who keeps his word even when it hurts and does not change,
Proverbs 26:24-25
Jeremiah 5:2
2 Although they say, ‘As surely as the LORD lives,’ still they are swearing falsely.”