For an adequate understanding of the Savior's words, it is important to imagine how houses were built in Judea, and in all Palestine, in Gospel times...
For an adequate understanding of the Savior's words, it is important to imagine how houses were built in Judea, and in all Palestine, in Gospel times. The soil in most of Palestine is rocky; the powerful foundations needed when building on clay or sandy soils are not necessary there. It was only necessary to clear away the upper alluvial layer (usually thin enough) in order to reach the stone. After that, the simplest strip foundation was laid, its basis being large corner stones (cornerstones). But removing the upper layer was absolutely necessary; otherwise, in winter, during the rainy season, when turbulent streams flow from the mountains down the slopes into the valleys, the house would almost certainly "float."
The Savior, as we can see, compares spiritual life with a house that makes sense to build only on rock, after first clearing it of everything that can get in the way of construction. Clearly, the image of a house built on rock was meant to remind the listeners that listening and hearing are not the same thing. The one who has heard will certainly move from words to action, applying what he has heard in practice. But, of course, there will also be those who, after listening to everything, will not want to change anything in their life.
And this is no surprise: in spiritual life the main role is played not by intellect and not by feeling, but by the will. It is precisely through acts of will that the spiritual "I" of a person, which constitutes the center of the human person, manifests itself. But often the person himself does not realize this, at least when it comes to practical life. And he lives without realizing either the true causes or the true significance of his decisions and actions.
Such unexamined spiritual life really resembles a house built on sand: the acts of will that determine a person's spiritual life remain for the most part unconsidered, and often entirely unnoticed, so that a person, in a spiritual sense (and sometimes not only in a spiritual sense), literally lives without knowing how.
Any thought that unexpectedly comes to mind and any feeling that seizes the heart can lead to decisions and actions completely unexpected even for the person himself, decisions and actions that he often can neither understand nor explain. And only full awareness of every choice made and every decision taken makes a person's spiritual life (as well as his life in general) inwardly whole and consistent. In that case every action of the person comes from the depth of his spiritual "I." And his spiritual life turns out to be founded not on the shifting sand of random thoughts and feelings, but on the rock of conscious choice.
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10:14 Flee from idolatry - And from all approaches to it.
10:16 The cup which we bless - By setting it apart to a sacred use, and solemnly invoking the blessing of God upon it.Is it not the communion of the blood of Christ - The means of our partaking of those invaluable benefits, which are the purchase of the blood of Christ. The communion of the body of Christ - The means of our partaking of those benefits which were purchased by the body of Christ - offered for us.
10:17 For it is this communion which makes us all one. We being many are yet, as it were, but different parts of one and the same broken bread, which we receive to unite us in one body.
10:18 Consider Israel after the flesh - Christians are the spiritual "Israel of God." Are not they who eat of the sacrifices partakers of the altar - Is not this an act of communion with that God to whom they are offered? And is not the case the same with those who eat of the sacrifices which have been offered to idols?
10:19 What say I then - Do I in saying this allow that an idol is anything divine? I aver, on the contrary, that what the heathens sacrifice, they sacrifice to devils. Such in reality are the gods of the heathens; and with such only can you hold communion in those sacrifices.
10:21 Ye cannot drink the cup of the Lord, and the cup of devils - You cannot have communion with both.
10:22 Do we provoke the Lord to jealousy - By thus caressing his rivals? Are we stronger than he - Are we able to resist, or to bear his wrath?