Verily Allah S.W.T has sent thousands of Prophets Into this world. Starting from the prophet Adam A.s till the last prophet that was Muhammad S.A.W. Every groups(ummah) of people had been sent to them a prophet. And we are the ummah of Muhammad S.A.W is the last ummah which is no more prophet will be sent after him. be thankful to Allah S.W.T for it. as the last ummah of Muhammad S.A.W, we must know about our purpose and our duty as mentioned in the Holy Qur'an .