John Henry Newman 
An Essay on the Development of Christian Doctrine [EPUB ebook] 

CHRISTIANITY has been long enough in the world to justify us in dealing with it as a fact in the world’s history. Its genius and character, its doctrines, precepts, and objects cannot be treated as matters of private opinion or deduction, unless we may reasonably so regard the Spartan institutions or the religion of Mahomet. It may indeed legitimately be made the subject-matter of theories; what is its moral and political excellence, what its due location in the range of ideas or of facts which we possess, whether it be divine or human, whether original or eclectic, or both at once, how far favourable to civilization or to literature, whether a religion for all ages or for a particular state of society, these are questions upon the fact, or professed solutions of the fact, and belong to the province of opinion; but to a fact do they relate, on an admitted fact do they turn, which must be ascertained as other facts, and surely has on the whole been so ascertained, unless the testimony of so many centuries is to go for nothing. Christianity is no dream of the study or the cloister. It has long since passed beyond the letter of documents and the reasonings of individual minds, and has become public property. Its “sound has gone out into all lands, ” and its “words unto the ends of the world.” It has from the first had an objective existence, and has thrown itself upon the great concourse of men. Its home is in the world; and to know what it is, we must seek it in the world, and hear the world’s witness of it.

The hypothesis, indeed, has met with wide reception in these latter ages, that Christianity does not fall within the province of history, —that it is to each man what each man thinks it to be, and nothing else; and thus in fact is a mere name for a number of different religions all together, at variance one with another, and claiming the same appellation, not because they can assign any one and the same doctrine as the common foundation of all, but because certain points of agreement may be found here and there of some sort or other, by which each in its turn is connected with one or another of its neighbours. Or again, it has been maintained, or implied, that all existing denominations of Christianity are wrong, none representing it as taught by Christ and His Apostles; that it died out of the world at its birth, and was forthwith succeeded by a counterfeit or counterfeits which assumed its name, though they inherited but a portion of its teaching; that it has existed indeed among men ever since, and exists at this day, but as a secret and hidden doctrine, which does but revive here and there under a supernatural influence in the hearts of individuals, and is manifested to the world only by glimpses or in gleams, according to the number or the station of the illuminated, and their connexion with the history of their times.

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