It is easy to acknowledge, but almost impossible to realize for long, that we are mirrors whose brightness, if we are bright, is wholly derived from … - C. S. Lewis

If we cannot "practice the presence of God," it is something to practice the absence of God, to become increasingly aware of our unawareness till we feel like man who should stand beside a great cataract and hear no noise, or like a man in a story who looks in a mirror and finds no face there, or a man in a dream who stretches his hand to visible objects and gets no sensation of touch. To know that one is dreaming is to no longer be perfectly asleep. Bur for news of the fully waking world you must go to my betters.

What do they teach them at these schools?

Like a good chess player, Satan is always trying to maneuver you into a position where you can save your castle only by losing your bishop.