Islam is a religion that is articulated by Quran. Its text consists of verbatim words of Allah. Muhammad (P.B.U.H) is the last prophet that was sent for the guidance of mankind. The adherent of Islam is called a Muslim. All the Muslims believe that Allah is one and incomparable, the purpose of existence of a Muslim is to worship Allah. All the Muslims are of the view that Islam is a universal and complete version of faith and it was revealed at various places and times.
Islam is a religion that provides complete code of life for surviving in this world with security and peace. In order to live in a society, a person has to follow its rules like educational system, penal code, and economic system. If you Teach Quran to people, you will be in a better position to understand the importance of religion Islam. All these rules are very important for moving into the society. The rules in Islamic society are provided by Almighty Allah. When the rules of Allah are followed and are applied in the society properly, the outcome comes in the form unlimited security and peace.
On the other hand, if the man made laws are followed, the result might be unrest, iniquity, anarchy, bloodshed, and turmoil on earth. If you realize the necessity of sovereign, then you will be able to understand the importance of Islam. Sovereign is an entity whose decision is final and must be implemented.