The miracles of the Prophet (صل الله عليه وسلم) are many, but the most obvious is the Qur’aan itself. This book has been preserved to the last letter, without any perversions or alterations for some 1400 years. This is extraordinary, because no other book has been maintained in this way in human history. It is also a miracle, however, because the Prophet Muhammad’s (صل الله عليه وسلم) message stated that this was to be so:
إِنَّا نَحْنُ نَزَّلْنَا الذِّكْرَ وَإِنَّا لَهُ لَحَافِظُونَ
Meaning: “Aļļaah has revealed this remembrance that is the Qur’aan, and He protects it.” (Al-Ĥijr, 9). This statement shows extraordinary knowledge of the future, and it is joined with the challenge and claim of prophethood, thus meeting the criteria for a miracle. It is a challenge, because the enemies of the religion would attempt to prove this statement wrong. The fact that they have not been able to do so strengthens the miracle further, because it shows that the Creator really is protecting the book.
The Qur’aan is narrated collaboratively from masses to masses from the time of the Prophet (صل الله عليه وسلم). It is an oral tradition from day one, and written copies are used as an aid only. When the Prophet (صل الله عليه وسلم) passed away he had several thousand followers, and many of them had memorized the entire Quran, and as a group of individuals they had memorized the Qur’aan hundreds of times over. This mass narration is the one we have today, and it is what protects the Qur’aan from alteration by the will of Aļļaah. Anything that does not reach this level of solid narration is simply rejected. Why? Because the Qur’aan was well known and taught in public everywhere already in the time of the Prophet himself, who encouraged his thousands of enthusiastic followers to spread, publicize and memorize every letter of it. They firmly believed this to be the revealed book of the Creator Himself, and to be negligent in its careful preservation, memorization and distribution was unthinkable. Then this spread and enthusiasm only spread and continued from generation to generation, and even today there are millions of people who have memorized it cover to cover. Accordingly, the idea that an individual or a handful of individuals should know something of it that no one else did is rejected by default. In addition, the eloquence of the Qur’aan is greater than other things written or said in Arabic, which makes it recognizable and distinct. This adds to the preservation attained by the mass narration.
Another miracle is the challenge to those who disbelieve in Prophet Muhammad (صل الله عليه وسلم), to compose a Suurah like any of its 114 Suurahs:
وَإِنْ كُنْتُمْ فِي رَيْبٍ مِمَّا نَزَّلْنَا عَلَى عَبْدِنَا فَأْتُوا بِسُورَةٍ مِنْ مِثْلِهِ
Meaning: “If you are in doubt about what Aļļaah has revealed to the Prophet (صل الله عليه وسلم), then bring a Suurah like any of its Suurahs in eloquence, if you can, but you will not be able.” (Al-Baqarah, 23)
To understand the significance of this challenge, one must keep in mind that eloquence was a central part of Arab culture at the time. The Arabs prided themselves in their excellence as poets and public speakers, and rivalry in eloquence was an integral part of their culture. One-upmanship in poetic brilliance between rivaling tribes and individuals was a daily affair. As in any human endeavor, however, no record performance lasted forever; eventually someone would at least reach an equivalent level. The challenge of the Qur’aan then, was not unfamiliar to the Arabs. The only thing new was their realization that no one could meet it; to the extent that they were left speechless and unable to even make a serious try.
The Qur’aan first challenged these people to come up with anything like it in eloquence, but they failed, then anything like 10 of its suurahs, but again they failed, then like any 1 of its suurahs, some of which are just a few words, and once again they failed. The Prophet’s opponents saw these challenges as their opportunity to make him lose support, and they were the rich, the powerful and the eloquent. They were all of the Arabs facing a tiny minority of Muslims at that time. Despite their enormous number, however, their reputation for being the champions of eloquence, their extreme enmity to Islam, and their absolute refusal to swear allegiance to anything but their tribe out of extreme bigotry, they could not do it. This is very apparent historical fact, because they resorted to meeting the challenge of words with the blades of their swords, and putting their lives at stake. If they could have met the challenge with words, they certainly would have preferred that, and if they had met the challenge, then this would have been a known historical fact, because the motives to spread such news were and are still in abundance among non-Muslims. Accordingly, the lack of anyone ever meeting this challenge could not have been because they did not care about it, or that the news of it did not reach us. It has now been more than 1400 years, and the challenge still stands.
This miracle is further strengthened by the fact that Prophet Muĥammad (صل الله عليه وسلم) was unlettered and never took part in composing any poetry. Moreover, he told his opponents that no one would ever be able to match the eloquence of the Qur’aan, not now and not in the future. Being of great intelligence, he would never have made such a challenge had he not known this by revelation. Had he not had such a revelation it would have been foolish to make such a challenge.
The Qur’aan also contains many statements about things the Prophet (صل الله عليه وسلم) could not have known through ordinary means. An example is the description of what would happen to the breathing of a person if lifted up into the atmosphere:
فَمَنْ يُرِدِ اللَّهُ أَنْ يَهدِيَهُ يَشْرَحْ صَدْرَهُ لِلإِسْلامِ وَمَنْ يُرِدْ أَنْ يُضِلَّهُ يَجْعَلْ صَدْرَهُ ضَيِّقًا حَرَجًا كَأَنَّمَا يَصَّعَّدُ فِي السَّمَاءِ
Meaning: “Whoever Allah has willed to guide, He will open his heart to accept Islaam, and whoever He has willed misguidance for, He will make his chest tight and narrow, as if he is ascending up in the sky.” (Al-Anˆaam, 125)
In addition to the above, consider also that the Prophet r did not read and had not travelled except two short trips, and never went to anything like a school or been present in circles of knowledge and science. He remained like that for the first forty years of his life; in the town of Makkah, a place without scholars or science, or even educational books. Then suddenly, at the age of forty, he brings the Qur’aan, a book that contains an abundance of wisdom and knowledge, and is of great eloquence by anyone’s standard. This is something completely extraordinary, because a book like that does not appear from the hands of a person that is without background in research, reading or studies of any kind. Accordingly, it must have been by revelation and guidance from Aļļaah that he brought it.
 The Qur’aan is divided into what is known as Suurahs, not chapters. They vary in length between a few words to several pages.