It has sometimes been suggested that belief in Divine revelation, and acceptance of revealed truth, tend towards intellectual rigidity and narrowness. The exact reverse is the truth. Revelation stimulates the intellect and opens all manner of avenues for the research and expansion of knowledge. The constant and repeated exhortation to reflect upon and ponder every type of natural phenomenon, with which the Quran abounds, is an express urge in that direction.
History furnishes incontrovertible proof of this. Within an astonishingly brief period following the revelation of the Quran, darkness and confusion were dispelled over vast areas of the earth, order was established, all manner of beneficent institutions sprang into life, a high moral order was set up, and the blessings of knowledge, learning, and science began to be widely diffused. Human intellect, which for some centuries had been almost frozen into inactivity, experienced a sudden release and upsurge, and the world experienced an astounding revolution, material, moral, and spiritual. This was no freak occurrence, no sudden flare-up followed by an even more sudden collapse. It was a phenomenon characterized by strength, beneficence, and endurance. It fulfilled to a pre-eminent degree the needs and yearnings of the human body, intellect, and soul. It changed the course of human history. It flung wide open the gates of knowledge and progress in all directions. Its impact continues to be felt today through many and diverse channels.
The Quran describes itself as a light and as a clear Book, whereby does Allah guide those who seek His pleasure along the paths of peace, and leads them out of every kind of darkness into the light by His will, and guides them along the right path (5:16-17).
On the other hand, the Quran itself discouraged the tendency to seek regulation of everything by Divine command, pointing out that such a regulation would become restrictive and burdensome (5:102).
One of many characteristics of the Quran which marks it as the Word of God is that to arrive at the comprehension of its deeper meaning and significance, the seeker must, in addition to a certain degree of knowledge of the language and the principles of interpretation, cultivate purity of thought and action. The greater the purity of a person's life, the deeper and wider will be his comprehension of the meaning of the Quran (56:80).
Let me remind you of something that is coming from the Galatians 4:22
22 For it is written that Abraham had two sons, one by the slave woman and the other by the free woman. 23 His son by the slave woman was born according to the flesh, but his son by the free woman was born as the result of a divine promise.
24 These things are being taken figuratively: The women represent two covenants. One covenant is from Mount Sinai and bears children who are to be slaves: This is Hagar. 25 Now Hagar stands for Mount Sinai in Arabia and corresponds to the present city of Jerusalem, because she is in slavery with her children. 26 But the Jerusalem that is above is free, and she is our mother. 27 For it is written:
“Be glad, barren woman,
you who never bore a child;
shout for joy and cry aloud,
you who were never in labor;
because more are the children of the desolate woman
than of her who has a husband.”
I don't have nothing against the Prophet Mohamed because he should be placed in Old Testament together with the other Prophets!