Kenneth Cragg, one-time asst. Anglican bishop in Jerusalem, is a giant in the field of Islamics and religious dialog. Here is great quote:
The urge to go forward in the custody of revelation with the patterns of authority familiar to this world [that is, the use of political and juridical coercion--AD] may easily miss the measure of the human problem, then length of men's self-idolatry, the chronic pride and defiance of the Divine, the insistent autonomy of mankind.
Christianity in World Perspective