Source: The Great Seesaw: A New View of the Western World, 1750-2000 (1988)
“The sword of Mahomet and the Coran are the most fatal enemies of civilization, liberty, and truth which the world has yet known.”
Life of Mahomet, Vol. IV (1861), p. 322 https://archive.org/stream/lifemahomet00muirgoog/lifemahomet00muirgoog#page/n342/mode/1up
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William Muir 2
Scottish Orientalist and colonial administrator 1819–1905Related quotes

“Civilization is a disease which is almost invariably fatal.”
"The Idea of Progress" http://books.google.com/books?id=TbgYAAAAYAAJ&q=Devil+in+human+form, Romanes Lecture (27 May 1920), reprinted in Outspoken Essays: Second Series (1922)

1840s, Heroes and Hero-Worship (1840), The Hero as Prophet
Source: The Greening of America (1970), Chapter XI : Revolution By Consciousness, p. 301

Go Rin No Sho (1645), The Water Book

Popular Government: Its Essence, Its Permanence and Its Perils, chapter 4, p.90 (1913).

“Art is the most intense mode of individualism that the world has known.”
Source: The Soul of Man Under Socialism