id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-9053 Criticism of Muhammad - Wikipedia .html text/html 17812 1852 73 Modern religious[3][11][12] and secular[13][14][15][16] criticism of Islam[11][12][13][14][15][16] has concerned Muhammad's sincerity in claiming to be a prophet, his morality, his ownership of slaves,[17][18] his treatment of enemies, his marriages,[19] his treatment of doctrinal matters, and his alleged psychological condition. Many early former Muslims such as Ibn al-Rawandi, Al-Ma'arri, and Abu Isa al-Warraq were famous religious skeptics, polymaths, and philosophers that criticized Islam,[10] the alleged authority and reliability of the Qu'ran,[10] Muhammad's morality,[10] and his claims to be a prophet.[10][29] ./cache/en-wikipedia-org-9053.html ./txt/en-wikipedia-org-9053.txt