After forty days of Goliath’s taunting, David was dismayed to find Saul and his army still paralyzed by fear. He had no concern for the king’s reward or his brother’s approval. Rather, emboldened by a zeal for God’s glory, he asked the important question: Who can defy God? As Alistair Begg teaches, God would soon use the hands that delivered food to his brothers to deliver something far greater. No one is too great to be defeated by the Almighty, nor too small to be used for His glory.