telling somebody else how to have victory! David had proved the power of God privately in the fields caring for his sheep; now he would demonstrate this power publicly to the glory of God. Note how throughout this entire episode, David gives glory to the Lord. The practical lesson here is that God gives victory in response to our faith. God had tested David privately with a lion and a bear; now he was to test him openly with a giant. If we are faithful in the private battles, God will see us through