"Psalm 78 lists "the praiseworthy deeds of the Lord, his power, and the wonders he has done." It includes God splitting the Red Sea into two walls, making water stand up straight. Burning a supernatural fire over the heads of his people at night, like a signal flare, to show them where to go. Making rock gush water as if it were a fire hydrant. Dropping flaky, delicious white food out of the sky.

With that hall-of-fame list of miracles, you might be surprised at the psalm's climax. Here is the concluding deed of God that should astound anyone:

"He chose David his servant and took him from the sheep pens; from tending the sheep he brought him to be the shepherd of his people Jacob, of Israel his inheritance. And David shepherded them with integrity of heart; with skillful hands he led them."

It's a miracle that God would choose a kid who didn't know much except how to take care of farm animals. It's a marvel that God would entrust his people ...