As human being is made up of two elements material body n spiritual body (emotional ) the creator has not left anything unattended or unguided. He provided everything for our material body from water to all kind of need same way he has sent guidance for our spiritual and emotional body. Hence, Religion is a of way of life for human being and how to live in this world peacefully. For that we have follow the divine law not man made law. God has set the rules and criteria for us, what is good and what is bad for us. Cuz God knows us better than we know ourselves. "Therefore, the only recognized religion in the sight of God is Islam (submission or obedience of lord)" (Quran 3 : 19)