In the Name of Allah, the Most Gracious, the Most Merciful
'Peace and Blessing of Allah be upon our beloved Prophet Muhammad (s.a.s), his blessed descendants and noble companions'
Ameen
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Almighty God created humans for a noble purpose i.e to worship Him and lead a virtuous life based on His teachings and guidance. In order to convey the purpose of their existence to humans, God sent clear and practical instructions through His prophets(Messengers).
A prophet was selected for every nation at some point in its history. Some of the prophets of God include Adam, Noah, Abraham, Isaac, Moses, Jesus, and Muhammad(peace be upon them all).
Each prophet conveyed the consistent divine message of worshiping one God and living a morally upright life. However,the message of these prophets was lost, abandoned, or changed over time, with only parts of the original message remaining intact. God sent Muhammad (pbuh) as the final prophet to all of humanity in the 7th century C.E. to restore the divine message of all prophets.
All prophets of God were of high moral character and did not succumb to the sins their people committed. The prophets were capable of human errors of judgment, but these unintended mistakes did not diminish their superior integrity. The prophet hood has been completed with the coming of Prophet Muhammad(peace be upon him).
Almighty God says in Qur'an:
"Say, 'We believe in God and in what was sent down to us and what was sent down to Abraham, Ishmael, Isaac, Jacob,and the Tribes, and what was given to Moses, Jesus, and all the prophets by their Lord. We make no distinction between any of them, and we devote ourselves to Him.'" (Quran, 2:136)