but intentional alterations or mutilations of real importance are not to blame for this.
Now this rich authentic source—this collection of wild, poetic representations of the Day of Judgment; of striving against idolatry; of stories from Sacred History; of exhortation to the practice of the cardinal virtues of the Old and New Testament; of precepts to reform the individual, domestic, and tribal life in the spirit of these virtues; of incantations and forms of prayer and a hundred things besides—is not always comprehensible to us. Even for the parts which we do understand, we are not able to make out the chronological arrangement which is necessary to gain an insight into Mohammed's personality and work. This is not only due to the form of the oracles, which purposely differs from the usual tone of mortals by its unctuousness and rhymed prose, but even more to the circumstance that all that the hearers could know, is assumed to be known. So the Qorân is full of references that are enigmatical to us. We therefore need additional explanation, and this can only be derived from tradition concerning the circumstances under which each revelation was delivered.
And, truly, the sacred tradition of Islâm is not deficient in data of this sort. In the canonical and half-canonical collections of tradition concerning what the Prophet has said, done, and omitted to do, in biographical works, an answer is given to every question which may arise in the
