"I think that every prayer which is sincerely made even to a false god, or to a very imperfectly conceived true God, is accepted by the true God and that Christ saves many who do not think they know him. For He is (dimly) present in the good side of the inferior teachers they follow. In the parable of the Sheep and Goats those who are saved do not seem to know that they have served Christ."
And regardless of his prejudices, Lewis is certainly far kinder than many current Christian theologians, who seem quite prepared to consign even the best Muslims to eternal damnation. More importantly though, he's also completely in line with the teachings and behavior of Muhammad, Abraham, Moses, David and the Christ, among others, alike.
Muslims in Nigeria, Egypt, Iraq, Pakistan, Indonesia and Malaysia in particular should take note.
They all sound equally crazy to me.
It is not righteousness that ye turn your faces to the East and the West; but righteous is he who believeth in the Lord and the Last Day and the angels and the Scripture and the Prophets; and giveth his wealth, for love of Him, to kinsfolk and to orphans and the needy and the wayfarer and to those who ask, and who sets slaves free; and who observeth proper worship and payeth the poor what they are due. And those who keep their treaty when they make one, and the patient in tribulation and adversity and time of stress. Such are they who are sincere. Such are the God fearing.
Because honestly? I think thinking YOU can make God do something; like let YOU into Heaven no matter what YOU do because of what YOU believe, makes YOU bigger than God -- at least in your own mind -- and that's the biggest sin in Islam!