"Show me just what Mohammed brought that was new, and there you will find things only evil and inhuman, such as his command to spread by the sword the faith he preached." - Manuel II Palelologus
“And we’d be subjecting our children to a vast, untested social experiment whose consequences no one can foresee.”
Well, I think we might have seen a taste of it in the story of Sodom and Gomorrah in the Bible. There the righteous had to lock themselves in fortresses and attempt to buy off the natives from raping even visitors to that fair civilization. Evil had total freedom and righteousness insured prison.