"Where is my heart?" What is the prevailing disposition that determines its attitude, the real mainspring that keeps the rest of its movement going? It may, perhaps, be some long-existing tendency: some attachment or bitterness or aversion. It may be just a momentary impression: but so deep and strong that it has affected the heart long afterwards. In the "habitual" examination of conscience, we ask ourselves, "Where is my heart?" And thus, often during the day, we uncover the disposition and inclination of our heart at the moment and so penetrate to its central core, from which our various works and deeds and activities issue. We discover the chief wellsprings of good and evil within ourselves.