"The one name which Muslims hate and fear most is that of Chengiz Khan. He is a spectre which has haunted Muslim historians for centuries. He swept like a tornado over the then most powerful and extensive Islamic empire of Khwarazm. In a short span of five years (1219-1224 CE), he slaughtered millions of Muslims, forced many others including women and children into slavery, and razed to the ground quite a few of the most populous and prosperous cities of the Muslim world at that time. [...] The logic which declares Tengiri to be a satan and denounces Chengiz Khan as an archcriminal but which, in the same breath, proclaims Allah as divine and hails the Ghaznavis, Ghuris, Timurs and Baburs as heroes, is, to the say the least, worse than casuistry..."