All threats and all danger could not make them bow down before an idol. It was danger that showed the courage of Daniel. No power on earth could stop him from praying unto God. It was danger that showed the courage of Paul, the missionary. He did not flinch from any adversary or any difficulty.
Danger reveals weakness.
King Saul was a big, strong, husky specimen of mankind. He was head and shoulders above his fel low Israelites. He could brag and boast, but his life was not in danger. But in the face of Goliath he began to shake like a leaf in the wind. The answer is not hard to find.