4.

..."Set, O Lord, a watch before my mouth, and a door of restraint around my lips" (ver. 3). He said not a barrier of restraint, but "a door of restraint." A door is opened as well as shut. If then it be a "door," let it be both opened and shut; opened, to confession of sin; closed, to excusing sin. So will it be a "door of restraint," not of ruin. For what doth this "door of restraint" profit us? What doth Christ pray in the name of His Body? "That Thou turn not aside My heart to wicked words" (ver. 4). What is, "My heart"? The heart of My Church; the heart, that is, of My Body....