
— Karl Raimund Popper, buch Die offene Gesellschaft und ihre Feinde
Die offene Gesellschaft und ihre Feinde. Band II, Mohr/Siebeck, Tübingen, 1992, S. 277 books.google http://books.google.de/books?id=0NMKZ_TznK8C&pg=PA277.
"the attempt to make heaven on earth invariably produces hell. It leads to intolerance. It leads to religious wars, and to the saving of souls through the inquisition." - The Open Society and Its Enemies. books.google http://books.google.de/books?id=yPcHAQAAIAAJ&q=heaven
The Open Society and Its Enemies (Offene Gesellschaft) (1945, engl.)