“The little foxes that spoil the vines” (Song of Solomon, 2:15). There are some things good, without being perfect. You don’t need to have a whole regiment cannonading outside your room to keep you awake. It is quite enough that your little alarm clock rings its little bell. It is not necessary to fret about everything; it is quite enough if the devil gets your mind rasped with one little worry, one little thought which destroys your perfect peace. It is like the polish on a mirror, or