Moreover, the Christianity of which we speak is that which we find realized in the Catholic Church alone; hence, we are not concerned here with those forms which are embodied in the various non-Catholic Christian sects, whether schismatical or heretical.Our documentary sources of knowledge about the origin of Christianity and its earliest developments are chiefly the New Testament Scriptures and various sub-Apostolic writings, the authenticity of which we must to a large extent take for granted here, as the much less grounds we take for granted the authenticity of "Cæsar" when dealing with early Gaul, and of "Tacitus" when studying growth of the Roman Empire. Kenyon "Handbook of the Textual Criticism of the N. We have this further warrant for doing so, that the most mature critical opinions amongst non-Catholics, deserting the wild theories of Baur, Strauss, and Renan, tend, in regard to dates and authorship, to coincide more closely with the Catholic position. He who attentively studies these letters (those i.e. Other points will, of course, be touched on and other results assumed, which are more fully and formally treated under J ESUS C HRIST ; C HURCH ; R EVELATION ; M IRACLES .During his whole mortal life on earth, including the two or three years of His active ministry, Christ lived as a devout Jew, Himself observing, and insisting on His followers observing, the injunctions of the Law ( Matthew 23:3 ).
"The oldest literature of the Church ", says Professor Harnack, "is, in the main points and in most of its details, from the point of view of literary history, veracious and trustworthy . ORIGIN OF CHRISTIANITY AND ITS RELATION WITH OTHER RELIGIONS; II. According to the accepted chronology, these began their mission on the day of Pentecost, A. 29, which day is regarded, accordingly, as the birthday of the Christian Church .In the following article an account is given of Christianity as a religion, describing its origin, its relation to other religions, its essential nature and chief characteristics, but not dealing with its doctrines in detail nor its history as a visible organization.These and other aspects of this great subject will receive treatment under separate titles.All peoples alike retained some more or less vague recollection of a Paradise lost, a remote Golden Age, but only the spirit of Israel kept alive the definite hope of a world-wide empire of justice, wherein the Fall of Man should be repaired.The fact that, eventually, the Jews misinterpreted their oracles, and identified the Messianic Kingdom with a mere temporal sovereignty of Israel, cannot invalidate the testimony of the Scriptures, as interpreted both by Christ's own life and the teaching of His Apostles, to the gradual evolution of that conception of which Christianity is the full and perfect expression.