Remember the old Disney cartoons showing Pluto with an angel whispering in one ear and a devil in the other. That's not too far off. Our guardian angel is always with us trying to give us good advice. But do we listen? Or are we so enamored by the noise of the world that we can't hear his voice, especially when the devil is booming in our other ear.
But it's not only our guardian angel who's trying to communicate with us. Good and holy shepherds also compete with the world, the flesh, and the devil for our attention. C.S. Lewis offered a masterful description of the devil's tactics in his Screwtape Letters. It's wise to know the enemy and how he works on you. One of his most powerful weapons is discouragement. You know, that little nagging maggot that runs an endless loop of negative messages: