1 Samuel 20:12-13
20:12 Jonathan said to David, “The Lord God of Israel is my witness. I will feel out my father about this time the day after tomorrow. If he is favorably inclined toward David, will I not then send word to you and let you know?
20:13 But if my father intends to do you harm, may the Lord do all this and more to Jonathan, if I don’t let you know and send word to you so you can go safely on your way. May the Lord be with you, as he was with my father.
1 Samuel 25:39
25:39 When David heard that Nabal had died, he said, “Praised be the Lord who has vindicated me and avenged the insult that I suffered from Nabal! The Lord has kept his servant from doing evil, and he has repaid Nabal for his evil deeds.” Then David sent word to Abigail and asked her to become his wife.