In the darkest corners the machinery that we do not understand, those possessions of which we are least proud, and those pictures we hate to look at, are hidden away.
This little parable represents, more or less, that which psychology means by the conscious, foreconscious, and unconscious regions of the psyche.

It must not be pressed, or too literally interpreted; but it helps us to remember the graded character of our consciousness, its fluctuating level, and the fact that, as well as the outward-looking mind which alone we usually recognize, there is also the psychic matrix from which it has been developed, the inward-looking mind, caring for a variety of interests of which we hardly, as we say, think at all.

We know as yet little about this mysterious psychic whole: the inner nature of which is only very incompletely given to us in the fluctuating experiences of consciousness.

But we do know that it, too, receives at least a measure of the light and the messages coming in by the window of our wits: that it is the home of memory instinct and habit, the source of conduct, and that its control and modification form the major part of the training of character.

Further, it is sensitive, plastic, accessible to impressions, and unforgetting.
Consider now that half-lit region which is called the foreconscious mind; for this is of special interest to the spiritual life.