Understanding the Concept of God Sending Messengers to Relay His Message

How would one know their role and life purpose unless one received clear and practical instructions as to what God wants and expects of them? Thus comes the need for Prophethood. God has sent thousands of Messengers and Prophets to humanity to convey His Message and communicate to us. Every nation on Earth has received a Prophet. They all preached the same general message that there is only one deity worthy of worship, and we should follow His commandments. He is the One and Only God, without...