that these are not merely chapters in a book, but
    real lectures actually delivered. I trust I have not to any extent been
    guilty of tautology, however.
    Whatever I have said under any of the heads treated of in these Lectures
    has been drawn from Oriental authorities at first hand, and also in part
    from my own personal knowledge of Muslims of various lands and from
    conversations held with them during my work as a Missionary. I have fully
    acknowledged in every case in the notes my obligations to any English or
    German writers to whom I am at all indebted.
    In a few instances it will be noticed that I have ventured in my notes to
    have recourse to a dead language in order in some degree to veil a few
    peculiarities of Muhammadanism, which I felt ought not to be treated of in
    plain English, and to entirely omit or conceal which (as has generally been
    done hitherto) would be dishonest, and would be inconsistent with my purpose
    to give, as far as in me lay, a fair and impartial view of the Religion of
    the 'Prophet' of Arabia. One of the great difficulties which beset any
    attempt to represent to English people at all correctly any non-Christian
    religion is that such religions for the most part contain so many things
    that are unmentionable. To omit all the worst points and to exaggerate the