“It is a misfortune to human nature, when religion is given by a conqueror. The Mahometan religion, which speaks only by the sword, acts still upon men with that destructive spirit with which it was founded.” – Montesquieu (1689-1755), Fransk oplysningsfilosof

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“But that a camel-merchant [Muhammad] should stir up insurrection in his village; that in league with some miserable followers he persuades them that he talks with the angel Gabriel; that he boasts of having been carried to heaven, where he received in part this unintelligible book, each page of which makes common sense shudder; that, to pay homage to this book, he delivers his country to iron and flame; that he cuts the throats of fathers and kidnaps daughters; that he gives to the defeated the choice of his religion or death: this is assuredly nothing any man can excuse, at least if he was not born a Turk, or if superstition has not extinguished all natural light in him.” – Voltaire (1694-1778), Fransk oplysningsfilosof og forfatter

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“Consider the Koran, for example; this wretched book was sufficient to start a world-religion, to satisfy the metaphysical need of countless millions for twelve hundred years, to become the basis of their morality and of a remarkable contempt for death, and also to inspire them to bloody wars and the most extensive conquests. In this book we find the saddest and poorest form of theism. Much may be lost in translation, but I have not been able to discover in it one single idea of value.” – Arthur Shopenhauer, tysk filosof (1788-1830)

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“We do not know whether Hitler is going to found a new Islam. He is already on the way; he is like Muhammad. The emotion in Germany is Islamic; warlike and Islamic. They are all drunk with a wild god.” – Carl Jung (1875-1961), Schweizisk psykoanalytiker

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“[E]xamine the Koran, I know that beyond any question every Mohammedan is insane; not in all things, but in religious matters.” – Mark Twain, amerikansk forfatter (1835-1910)

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“The fact that in Mohammedan law every woman must belong to some man as his absolute property, either as a child, a wife, or a concubine, must delay the final extinction of slavery until the faith of Islam has ceased to be a great power among men. Individual Moslems may show splendid qualities – but the influence of the religion paralyses the social development of those who follow it. No stronger retrograde force exists in the world. Far from being moribund, Mohammedanism is a militant and proselytizing faith.” – Winston Churchiill (1874-1965), Britisk statsmand

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“Qur’an… an accursed book… So long as there is this book there will be no peace in the world.” – William Gladstone (1809-1898), Britisk statsmand

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“The ambassador answered us that [the right] was founded on the Laws of the Prophet, that it was written in their Koran, that all nations who should not have answered their authority were sinners, that it was their right and duty to make war upon them wherever they could be found, and to make slaves of all they could take as prisoners, and that every Mussulman who should be slain in battle was sure to go to Paradise.” – Thomas Jefferson (1743-1826), Amerikansk præsident og forfatter til den amerikanske uafhængighedserklæring

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“…he [Muhammad] declared undistinguishing and exterminating war, as a part of his religion, against all the rest of mankind…The precept of the Koran is, perpetual war against all who deny, that Mahomet is the prophet of God.” – John Quincy Adams (1767-1848), USAs sjette præsident

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“The civilization of Europe, American and Australia exists today at all only because of the victories of civilized man over the enemies of civilization because of victories through the centuries from Charles Martel in the eighth century and those of John Sobieski in the seventeenth century…There are such “social values” today in Europe, America and Australia only because during those thousand years, the Christians of Europe possessed the warlike power to do what the Christians of Asia and Africa had failed to do — that is, to beat back the Moslem invader.” – Theodore Roosevelt (1858-1919), Amerikansk præsident

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“Bolshevism combines the characteristics of the French Revolution with those of the rise of Islam… Those who accept Bolshevism become impervious to scientific evidence, and commit intellectual suicide. Even if all the doctrines of Bolshevism were true, this would still be the case, since no unbiased examination of them is tolerated…Among religions, Bolshevism is to be reckoned with Mohammedanism rather than with Christianity and Buddhism. Christianity and Buddhism are primarily personal religions, with mystical doctrines and a love of contemplation. Mohammedanism and Bolshevism are practical, social, unspiritual, concerned to win the empire of the world.” – Bertrand Russell (1872-1970), Britisk filosof

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“The pope gets ridiculed every day, but you don’t see Catholics organizing terrorist attacks around the world.” – Salman Rushdie (1947-), Britisk-indisk forfatter

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“I must [translate the Qur’an] into German so that every man may see what a foul and shameful book it is. … One is able to do nothing more grievous to Muhammad … than to [translate his] Qur’an … [so] that people may see how entirely cursed, abominable, and desperate a book it is.” – Martin Luther, tysk reformator

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“It has been our misfortune to have the wrong religion. … The religion of … Muhammad would have been much more compatible with us [than] Christianity with its meekness and flabbiness.” – Adolf Hitler