Short answer

In 632, on the one pilgrimage he made after moving to Medina, the Prophet Muhammad (ﷺ) spoke to the pilgrims at Arafat and again at Mina. He died a few months later. The reports in Sahih Muslim and Sahih al-Bukhari record what he said. Lives, property and honour are sacred. The blood feuds and the usury of the old days are abolished, beginning with claims of his own family. Men must fear God (﷾) in how they treat women, and husband and wife each have rights. He was leaving them the Book of Allah (﷾): whoever holds fast to it will never go astray. They must not turn back after him and kill one another. Those present must pass his words on to those absent. Then he asked whether he had conveyed the message. The people said yes, and he said: "O Allah, be witness." That day at Arafat the Qur'an declared the religion perfected.

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