What for? You were not reasoned into your opinion. Erudition is not the same as wisdom, and calling Christianism a form of Socialism only shows that you do not understand Christianism, Socialism, or both.
These main points in the history of Socialism lead up to an examination of its spirit and intention. The best idealism of earlier times was fixed upon the soul rather than upon the body: exactly the opposite is the case with Socialism. Social questions are almost entirely questions of the body — public health, sanitation, housing, factory conditions, infant mortality, employment of women, hours of work, rates of wages, accidents, unemployment, pauperism, old age pensions, sickness, infirmity, lunacy, feeble-mindedness, intemperance, prostitution, physical deterioration. All these are excellent ends for activity in themselves, but all of them are mainly concerned with the care or cure of the body. To use a Catholic phrase, they are opportunities for corporal works of mercy, which may lack the spiritual intention that would make them Christian. The material may be made a means to the spiritual, but is not to be considered an end in itself. This world is a place of probation, and the time is short. Man is here for a definite purpose, a purpose which transcends the limits of this mortal life, and his first business is to realize this purpose and carry it out with whatever help and guidance he may find. The purpose is a spiritual one, but he is free to choose or refuse the end for which he was created; he is free to neglect or to co-operate with the Divine assistance, which will give his life the stability and perfection of a spiritual rather than of a material nature. This being so, there must be a certain order in the nature of his development. He is not wholly spiritual nor wholly material; he has a soul, a mind, and a body; but the interests of the soul must be supreme, and the interests of mind and body must be brought into proper subservience to it. His movement towards perfection is by way of ascent; it is not easy; it requires continual exercise of the will, continual discipline, continual training — it is a warfare and a pilgrimage, and in it are two elements, the spiritual and the material, which are one in the unity of his daily life. As St. Paul pointed out, there must be a continual struggle between these two elements. If the individual life is to be a success, the spiritual desire must triumph, the material one must be subordinate, and when this is so the whole individual life is lived with proper economy, spiritual things being sought after as an end, while material things are used merely as a means to that end.
The point, then, to be observed is that the spiritual life is really the economic life. From the Christian point of view material necessities are to be kept at a minimum, and material superfluities as far as possible to be dispensed with altogether. The Christian is a soldier and a pilgrim who requires material things only as a means to fitness and nothing more. In this he has the example of Christ Himself, Who came to earth with a minimum of material advantages and persisted thus even to the Cross. The Christian, then, not only from the individual but also from the social standpoint, has chosen the better part. He does not despise this life, but, just because his material desires are subordinate to his spiritual ones, he lives it much more reasonably, much more unselfishly, much more beneficially to his neighbours. The point, too, which he makes against the Socialist is this. The Socialist wishes to distribute material goods in such a way as to establish a substantial equality, and in order to do this he requires the State to make and keep this distribution compulsory. The Christian replies to him: "You cannot maintain this widespread distribution, for the simple reason that you have no machinery for inducing men to desire it. On the contrary, you do all you can to increase the selfish and accumulative desires of men: you centre and concentrate all their interest on material accumulation, and then expect them to distribute their goods." This ultimate difference between Christian and Socialist teaching must be clearly understood. Socialism appropriates all human desires and centres them on the here-and-now, on material benefit and prosperity. But material goods are so limited in quality, in quantity, and in duration that they are incapable of satisfying human desires, which will ever covet more and more and never feel satisfaction. In this Socialism and Capitalism are at one, for their only quarrel is over the bone upon which is the meat that perisheth. Socialism, of itself and by itself, can do nothing to diminish or discipline the immediate and materialistic lust of men, because Socialism is itself the most exaggerated and universalized expression of this lust yet known to history. Christianity, on the other hand, teaches and practices unselfish distribution of material goods, both according to the law of justice and according to the law of charity.
Again, ethically speaking, Socialism is committed to the doctrine of determinism. Holding that society makes the individuals of which it is composed, and not vice versa, it has quite lost touch with the invigorating Christian doctrine of free will. This fact may be illustrated by its attitude towards the three great institutions which have hitherto most strongly exemplified and protected that doctrine — the Church, the Family, and private ownership. Socialism, with its essentially materialistic nature, can admit no raison d'etre for a spiritual power, as complementary and superior to the secular power of the State. Man, as the creature of a material environment, and as the subject of a material State, has no moral responsibilities and can yield to no allegiance beyond that of the State. Any power which claims to appropriate and discipline his interior life, and which affords him sanctions that transcend all evolutionary and scientific determinism, must necessarily incur Socialist opposition. So, too, with the Family. According to the prevalent Socialist teaching, the child stands between two authorities, that of its parents and that of the State, and of these the State is certainly the higher. The State therefore is endowed with the higher authority and with all powers of interference to be used at its own discretion. Contrast this with the Christian notion of the Family — an organic thing with an organic life of its own. The State, it is true, must ensure a proper basis for its economic life, but beyond that it should not interfere: its business is not to detach the members of the family from their body in order to make them separately and selfishly efficient; a member is cut off from its body only as a last resource to prevent organic poisoning. The business of the State is rather that of helping the Family to a healthy, co-operative, and productive unity. The State was never meant to appropriate to itself the main parental duties, it was rather meant to provide the parents, especially poor parents, with a wider, freer, healthier family sphere in which to be properly parental. Socialism, then, both in Church and Family, is impersonal and deterministic: it deprives the individual of both his religious and his domestic freedom. And it is exactly the same with the institution of private property.
The Christian doctrine of property can best be stated in the words of St. Thomas Aquinas: "In regard to an external thing man has two powers: one is the power of managing and controlling it, and as to this it is lawful for a man to possess private property. It is, moreover, necessary for human life for three reasons. First, because everyone is more zealous in looking after a thing that belongs to him than a thing that is the common property of all or of many; because each person, trying to escape labour, leaves to another what is everybody's business, as happens where there are many servants. Secondly, because there is more order in the management of men's affairs if each has his own work of looking after definite things; whereas there would be confusion if everyone managed everything indiscriminately. Thirdly, because in this way the relations of men are kept more peaceful, since everyone is satisfied with his own possession, whence we see that quarrels are commoner between those who jointly own a thing as a whole. The other power which man has over external things is the using of them;; and as to this man must not hold external things as his own property, but as everyone's; so as to make no difficulty, I mean, in sharing when others are in need" (Summa theologica, II-II, Q. Ixvi, a. 2). If man, then, has the right to own, control, and use private property, the State cannot give him this right or take it away; it can only protect it. Here, of course, we are at issue with Socialism, for, according to it, the State is the supreme power from which all human rights are derived; it acknowledges no independent spiritual, domestic, or individual power whatever. In nothing is the bad economy of Socialism more evident than in its derogation or denial of all the truly personal and self-directive powers of human nature, and its misuse of such human qualities as it does not despise or deny is a plain confession of its material and deterministic limitations. It is true that the institutions of religion, of the family, and of private ownership are liable to great abuses, but the perfection of human effort and character demands a freedom of choice between good and evil as their first necessary condition. This area of free choice is provided, on the material side, by private ownership; on the spiritual and material, by the Christian Family; and on the purely spiritual by religion. The State, then, instead of depriving men of these opportunities of free and fine production, not only of material but also of intellectual values, should rather constitute itself as their defender.