1st Samuel 17:32 And David said to Saul, Let no man's heart fail because of him; thy servant will go and fight with this Philistine. 37
[The Great Controversy pp 202] Had not Jacob previously repented of his sin in obtaining the birthright by fraud, God could not have heard his prayer and mercifully preserved his life.So, in the time of trouble, if the people of God had unconfessed sins to appear before them while tortured with fear and anguish, they would be overwhelmed; despair would cut off their faith, and they could not have confidence to plead with God for deliverance.
There were instances in David’s experience when he exhibited both bravery and confidence. For instance when he went up against Goliath he manifested that type of confidence that is a natural byproduct of faith in God, that is coupled together with a clear conscience. That’s confidence and bravery in real time, born of a childlike trust in God, backed up with experiences in the physical realm, and cemented and confirmed by a clear conscience, void of offense before God, and man.
But if he were to tackle Goliath, just after sleeping with Bathsheba, he most likely would have entered into a presumptuous mode of thought, because he could not then, reasonably expect to vanquish the giant, with blood on his hands, and with unforgiven sins at his doorstep.
1st Samuel 17:37 David said moreover, The Lord that delivered me out of the paw of the lion, and out of the paw of the bear, he will deliver me out of the hand of this Philistine.
May The Lord add His blessing to the study of His word. God bless!