God chose a shepherd named David to be the next king of Israel.
Saul didn’t know that Samuel had anointed David and that God’s Spirit was with David. Saul took David from his father Jesse to be his servant. Samuel had warned the Israelites that a king would do that. David served Saul by carrying his armour and playing the harp for him. The music helped Saul calm down when he was troubled and feeling terrified.
Saul had changed from when he first became king. He had started as a humble farmer who was willing to be used by God’s Spirit. He became a mighty fighter as king. But then he became proud and foolish. He was no longer willing to be used by God. And so God’s Spirit left him. After that Saul became even more fearful. He was so terrified that he wouldn’t fight Goliath.
Goliath was a huge and strong Philistine soldier. Only David was willing to fight him. David was a brave and clever fighter. He had complete trust in God to save him. Goliath used the names of his false gods to curse David. David fought against Goliath in the name of the Lord. God gave David victory. This showed that God was more powerful than the false gods of the Philistines.