known that the business of medicine is to cure a disease, and one who can cure is a physician, so it is also known that the business of the prophets is to give law to the people by divine revelation, and one who does so is a prophet. The Book mentions the first principle in the following:—"Verily We have revealed Our will unto thee, as We have revealed it unto Noah, and the prophets who succeeded him, and We have revealed it unto Abraham, and Ishmael, and Isaac and Jacob, and the tribes, and unto Jesus, and Job, and Jonas, and Aaron and Solomon; and we have given you the Quran as We gave the Psalms unto David; some apostles have We sent, whom We have mentioned unto thee, and God spake unto Moses discoursing with him,"[1] and again: "Say, I am not alone among the apostles"[2] The second principle is that Mohammed, peace be upon him, has done the work of a prophet, that is, has given Law to the people by divine revelation. This also can be known from the
