In the secular world, a “mystery” is something that baffles or eludes understanding, something that lies undisclosed. And the usual attitude of the world toward mystery is to solve it, get to the bottom of, or uncover it. Mysteries must be overcome! The riddle, or “who-done-it” must be solved!
In the Christian and especially the Catholic world, “mystery” is something a bit different. Here, mystery refers to the fact that there are hidden dimensions in things, people, and situations that extend beyond their visible, physical dimensions.
One of the best definitions I have read of “mystery” is by the theologian and philosopher John Le Croix. Fr. Francis Martin introduced it to me some years ago in one of his recorded conferences. Le Croix says,