"Then I shall know fully, even as I have been fully known." — 1 Corinthians 13:12   One of the most tender moments in all of Scripture happens in 2 Samuel 12, in the aftermath of one of David's greatest failures.   His infant son is sick, dying, as a consequence of David's sin. And David does what David always does when he is desperate: he prays. He fasts. He lies on the ground for seven days, refusing to eat, refusing to get up, pouring himself out before God for his child's li...