
Acts 13:20-22 - “After this, God gave them judges until the time of Samuel the prophet. Then the people asked for a king, and he gave them Saul son of Kish, of the tribe of Benjamin, who ruled forty years. After removing Saul, he made David their king. He testified concerning him: ‘I have found David son of Jesse a man after my own heart; he will do everything I want him to do.’”

1 Samuel 14:24 – “Now the men of Israel were in distress that day, because Saul had bound the people under an oath, saying, “Cursed be any man who eats food before evening comes, before I have avenged myself on my enemies!” So none of the troops tasted food…”

1 Samuel 13:14 - the Lord has sought out a man after his own heart and appointed him leader of his people, because you have not kept the Lord’s command.”
Acts 13:22 - “After removing Saul, he made David their king. He testified concerning him: ‘I have found David son of Jesse a man after my own heart; he will do everything I want him to do.’”

“With these words David rebuked his men and did not allow them to attack Saul. And Saul left the cave and went his way.” - 1 Samuel 24:7

Acts 13:22 – ” After removing Saul, he made David their king. He testified concerning him: ‘I have found David son of Jesse a man after my own heart; he will do everything I want him to do.’”
Saul had a large standing army and weapons, but could not fight against a single person who defied his army (Goliath – see 1 Samuel 17). David defeated Goliath with a simple stone and slingshot.

1 Samuel 14:36-37 - Saul said, “Let us go down after the Philistines by night and plunder them till dawn, and let us not leave one of them alive.” “Do whatever seems best to you,” they replied. But the priest said, “Let us inquire of God here.” So Saul asked God, “Shall I go down after the Philistines? Will you give them into Israel’s hand?” But God did not answer him that day.

1 Samuel 14:25-27 - “The entire army entered the woods, and there was honey on the ground. When they went into the woods, they saw the honey oozing out, yet no one put his hand to his mouth, because they feared the oath. But Jonathan had not heard that his father had bound the people with the oath, so he reached out the end of the staff that was in his hand and dipped it into the honeycomb. He raised his hand to his mouth, and his eyes brightened…”

1 Samuel 15:23 - “For rebellion is like the sin of divination, and arrogance like the evil of idolatry. Because you have rejected the word of the Lord, he has rejected you as king…”

“May God deal with Abner, be it ever so severely, if I do not do for David what the Lord promised him on oath and transfer the kingdom from the house of Saul and establish David’s throne over Israel and Judah from Dan to Beersheba.” – 2 Samuel 3:9-10
Then Abner said to David, “Let me go at once and assemble all Israel for my lord the king, so that they may make a compact with you, and that you may rule over all that your heart desires.” So David sent Abner away, and he went in peace. - 2 Samuel 3:21 .

1 Samuel 30:11-15 - They found an Egyptian in a field and brought him to David. They gave him water to drink and food to eat – part of a cake of pressed figs and two cakes of raisins. He ate and was revived, for he had not eaten any food or drunk any water for three days and three nights. David asked him, “To whom do you belong, and where do you come from?” He said, “I am an Egyptian, the slave of an Amalekite. My master abandoned me when I became ill three days ago. We raided the Negev of the Kerethites and the territory belonging to Judah and the Negev of Caleb. And we burned Ziklag.” David asked him, “Can you lead me down to this raiding party?” He answered, “Swear to me before God that you will not kill me or hand me over to my master, and I will take you down to them...”