David stands out as the man after God’s own heart. It is that which is to be noted in the first public action of David in the valley of Elah. We refer, of course, to his contest with Goliath. This first public action of David was a representative and inclusive one, just as the conquest of Jericho was with Israel. God intended that what was true of Jericho should be true of every other conquest, that the basis should be one of sheer faith; victory through faith, possession through faith.
David’s contest with Goliath was like that. It gathered up in a full way everything that David’s life was to express. It was the comprehensive disclosure or unveiling of the heart of David. He was a man after God’s own heart. In the case of David, the heart that God had seen is disclosed in the contest with Goliath, and it was that heart which made David the man after God’s own heart all the rest of his life.
What is Goliath? Who is he? He is a gigantic figure behind whom all the Philistines hide. He is a comprehensive one, an inclusive one; in effect, the whole Philistine force; for when they saw that their champion was dead, they fled. Typically what are the Philistines? They represent that which is very near to what is of God, always in close proximity, always seeking to impinge upon the things of God; to get a grip, to look into, to pry, to discover the secret things of God. They were ever seeking to pry into the secrets of God, but always in a natural way. They are called “uncircumcised.” That is what David said about Goliath: “this uncircumcised Philistine.” We know from Paul’s interpretation that typically that means this uncrucified natural life, this natural life which is always seeking to get a grip on the things of God apart from the work of the Cross; which does not recognize the Cross; which sets the Cross aside, and thinks that it can proceed without the Cross into the things of God; which ignores the fact that there is no way into the things of the Spirit of God except through the Cross as an experienced thing, as a power breaking down the natural life and opening a way for the Spirit.
To be a man after God’s own heart we must be those who have an utter hatred for the uncrucified natural life.