David and Goliath is a classic story. It emphasizes a young man’s complete faith in God. Goliath and the Philistines were not a threat to David.
He had a lot of faith in himself. When he killed a lion and a bear by himself, his faith was put to the test.
He was able to lead Israel to victory over the Philistines thanks to his words of confidence and prophecy. David learned to trust God in bigger crises by diligently managing his father Jesse’s flock.
He was able to deal with a predicament that King Saul was unable to deal with.