On that fateful day, the 20 years old boy sent food to his brothers. He was a delivery service guy. When he got there, he found out someone had disrespected his pinnacle for success. The automatic story is that, the person must lose and if that person must lose then a son of that pinnacle must rise and fight.
The giant thought he was undefeatable. He asked the people to bring a man. How can they bring a man when their own king is running away? Then the battle started. What Goliath didn't know was he was fighting with a God not a man. First he thought it was a boy. Oh yes, how did he think he was going to ever win? This is the key I believe David found.
An unbeliever can't beat you because the whole point is you are not the fighter. No man with his own strength can beat a man whose strength is the Lord for he fights not against the man but against God. God is so accurate he targeted directly where to hit to get the "acclaimed giant" down. Now do you see the reason you can't fail? God sent God so that we can become God. Goliath didn't fight a man, he fought a God and it was more than impossible for him to ever win. The scripture is 1 Samuel 17:8
