But you knew this beforehand.
"Both Catholics and Protestants are nothing less than the "whore of Babylon" whom the Lord denounces... as having corrupted all the earth by their fornications and wickedness. And any person who shall be so wicked as to receive a holy ordinance of the gospel from the ministers of any of these apostate churches will be sent down to hell with them, unless they repent of the unholy and impious act. If any penitent believer desires to obtain forgiveness of sins through baptism, let him beware of having any thing to do with the churches of apostate Christendom, lest he perish in the awful plagues and judgments, denounced against them. The only persons among all nations, kindreds, tongues, and people who have authority from Jesus Christ to administer any gospel ordinance are those called and authorized among the Latter-day Saints. Before the restoration of the church of Christ to the earth in the year 1830, there have been no people on the earth for many generations possessing authority from God to minister gospelordinances. We again repeat. Beware of the hypocritical false teachers and imposters of Babylon! - Apostle Orson Pratt The Seer, Vol.2, No.4, p.255
"The present Christian world exists and continues by division. The MYSTERY of Babylon the great, is mother of harlots and abominations of the earth, and it needs no prophetic vision, to unravel such mysteries. The old church is the mother, and the protestants are the lewd daughters. Alas! alas! what doctrine, what principle, or what scheme, in all, what prayers, what devotion, or what faith, `since the fathers have fallen asleep,' has opened the heavens; has brought men into the presence of God; and to the spirits of just men made perfect, and to an innumerable company of angels? The answer is, not any: `There is none in all christendom that doeth good; no, not one.' - Apostle John Taylor, Times and Seasons, Vol.6, No.1, p.811
"Babylon, literally understood, is the gay world; spiritual wickedness, the golden city, and the glory of the world, The priests of Egypt, who received a portion gratis from Pharaoh; the priests of Baal, and the Pharisees, and Sadducees, with their "long robes," among the Jews, are equally included in their mother's family, with the Roman Catholics, Protestants, and all that have not had the keys of the kingdom and power thereof, according to the ordinances of God." - Prophet John Taylor, Times and Seasons, Vol.6, No.1, p.939
"A great portion of the oriental country has been preserved from the grossest idolatry, wickedness, confusion, bloodshed, murders, cruelty, and errors in religion that have overspread the rest of the world, under the name of Christianity, or mystery of iniquity. An open defiance of God is no mystery; open drunkenness, and revelling debauchery, and all manner of wickedness and immorality professed by sinners who profess to be nothing else, are no mystery; they do not deceive anybody; but when all manner of wickedness, idolatry, drunkenness, and corruption is cloaked under a sacred name, under an outward sanctity and holiness, and under as high and dignified an appellation as Christian, it is a mystery of iniquity; and that has overspread a great portion of the world, and has borne rule until the present day, sometimes under the name of Roman universality, sometimes under the name of the Greek Church, and at other times under various classes and names."
"Many that were honest have been deceived by this mystery of iniquity, who have esteemed things to be sacred, which were abominably corrupt; and corrupt superstitions have been revered because of the great names and sanctified professions that were attached to them. If such institutions actually professed wickedness, they would go for what they were worth; but when a thing professes to be holy, and takes the name of Christ as its founder, and the holy Prophets and Apostles, to carry out all manner of oppression, all manner of idolatry and idol worship, all manner of priestcraft and kingcraft, and more or less instigating division among nations and governments, all to carry out bloodshed, cruelty, the rack, the inquisition, and holding of men in bondage, ruling them with a red of iron, it is a mystery of iniquity calculated to deceive millions."
"But returning to the general corruption that has prevailed nationally, politically, and religiously, under the name of Christianity, leaving out Christ and his Apostles, I do think there has been no idolatry in the world, under any form or system, that could surpass it. It is the mystery of iniquity, the great whore of all the earth. It has brought the whole earth under a lasting curse, having departed from the laws of God, changed the ordinances, and broken the everlasting covenant, in consequence of which the earth is destined to be burned, and few men left." - Apostle Parley P. Pratt, Journal of Discourses, Vol. 3, p.41
"How long has this order of things existed, this dreadful apostacy, this class of people that pronounced themselves Zion, or Christians, without any of the characteristics of Zion? It has existed for some sixteen or seventeen centuries. It has spread itself and grown and gone into the four quarters of the earth. It is the great ecclesiastical power that is spoken of by the revelator John, and called by him the most corrupt and most wicked of all the powers of the earth, under the name of spiritual Babylon, or in other words Babel, which signifies confusion. This great and corrupt power is also represented by John as presenting a golden cup to the nations, full of all manner of filthiness and abominations."
"She is termed, in other places, by the same prophet, "The whore of all the earth," making the nations drink of the wine of the wrath of her fornication. Some three centuries ago there came out sortie excellent men, named Martin Lather, John Calvin and many others that might be mentioned, who protested against the wickedness and abominations of the Church wherein they had been educated, and of which they had been members. Because of their protestations against the mother Church they were called Protestants. They pronounced her the whore of all the earth; they declared that she had no authority, that she had none of the blessings and gifts which characterized the ancient Christians. They came out and established other Churches... But among all these Churches where are the characteristics of Zion? We hunt for them in vain." - Apostle Orson Pratt, Journal of Discourses Vol. 14, p.346
"Thrones shall be cast down, and the Ancient of Days shall sit, and the body of the fourth beast (or Babylon) shall be given to the devouring flame, and then shall the remnant of the heathen know that the Lord is God, for they shall see and hear of his judgments, which he shall execute upon the corrupt powers of the earth under the name of modern Christianity, scripturally called "Babylon the Great"—"The whore of all the earth," with whom the nations for centuries have committed fornication, and have drank out of her filthy cup. O Babylon! thou hast decked thyself with costly ornaments! Thou has clothed thyself with the most gaudy apparel! Thy seminaries of learning, and thy theological institutions have been multiplied far and wide. Thy priests are polished with all the refinements of a profound and extensive education. Thy costly and magnificent churches have been erected in great numbers throughout all thy borders. The merchants of the earth have made themselves rich through the abundance of thy luxuries.The learned—the great—the mighty—the kings of the earth, have glorified themselves in thy grand and superb palaces. Thou hast indeed enrobed thyself in the royal splendors of a queen. Thine external appearance has excited the admiration of all nations. But internally thou art rotten with the filth of thy whoredoms." - Apostle Orson Pratt, The Essential Orson Pratt, p.109
"The Roman Catholic, Greek, and Protestant church is the great corrupt ecclesiastic power, represented by great Babylon which has made all nations drunk with her wickedness, and she must fall, after she has been warned with the sound of the everlasting gospel. Her overthrow will be by a series of the most terrible judgments which will quickly succeed each other, and sweep over the nations where she has her dominion, and at last she will be utterly burned by fire, for thus hath the Lord spoken. Great, and fearful, and most terrible judgments are decreed upon these corrupt powers, the nations of modern Christendom; for strong is the Lord God who shall execute His fierce wrath upon them, and He will not cease until He has made a full end, and until their names be blotted out from under heaven." - Apostle Orson Pratt, Divine Authenticity of the Book of Mormon, p.84 - p.85
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But you knew this beforehand.