David learned to seek the Lord as he shepherded his father’s sheep. He also honed his use of the sling. When he was ready to face Goliath, he recounted that time to King Saul.
1 Samuel 17:34-35 says, “…when a lion or bear came and took a lamb out of the flock, I went out after it and struck it, and delivered the lamb from its mouth; and when it rose up against me, I caught it by its beard, and struck and killed it.”
Then he declared to the king that the uncircumcised Philistine would be like one of them. The reason was that the giant had defied the armies of the living God. Satan will use any manner of things to seek to defy us in our time of intimate communion with the Lord.
We have to fight through those giant-like obstacles as David did. First we prepare our heart to seek the Lord. As each distraction is presented, we take out our smooth tried stone-verse to hurl at his luring words. Verse 47 says, “…for the battle is the Lord’s…”