"These questions arise urgently when one considers that classical Islamic law accepts both slavery as an institution and the sexual use of female slaves, whereas the overwhelming majority of Muslims today completely reject all forms of slavery... Yet quite a number of late twentieth-century and early twenty-first-century Muslim authors and laypeople gloss over the existence of slavery, and especially concubinage, in Muslim history and texts... Given that the vast majority of contemporary Muslims reject slavery, many have chosen to ignore the issue. Rather than reiterate the classical religious permission for slavery and slave concubinage, even to oppose it, they seem to believe that a moderate or progressive agenda is better served by emphasizing the contemporary agreement that slavery, and especially concubinage, is forbidden as completely outside the bounds of Muslim sexual morality. Although a few authors deny the validity of slave concubinage outright, asserting that “those jurists of Islamic law who laid down the rule that a master may have [a] sexual relationship with his female slave without marriage are totally mistaken,” most simply ignore what prevailed as the consensus for over a millennium."