By Dr. Jeff Mirus, Catholic Culture - One understands why verse 6 is not used in the Breviary; the clergy need not dwell, while in this world, on filling the earth with corpses. This refers at once to God’s intervention on behalf of His Chosen People and, presumably, to the Last Judgment, and it is mercy that ought to be the main focus of the Church. But what could it possibly mean that the Lord “will drink from the brook by the way; therefore he will life up his head”?