Quran 7:157 — The Purgatory (Al-A'araf)

"(4) follow the messenger, the gentile prophet (Muhammad), whom they find written in their Torah and Gospel.* He exhorts them to be righteous, enjoins them from evil, allows for them all good food, and prohibits that which is bad, and unloads the burdens and the shackles imposed upon them. Those who believe in him, respect him, support him, and follow the light that came with him are the successful ones."

[7:156] "And decree for us righteousness in this world, and in the Hereafter. We have repented to You." He said, "My retribution befalls whomever I will. But My mercy encompasses all things. However, I will specify it for those who (1) lead a righteous life, (2) give the obligatory charity (Zakat),* (3) believe in our revelations, and

[7:158] Say, "O people, I am GOD's messenger to all of you. To Him belongs the sovereignty of the heavens and the earth. There is no god except He. He controls life and death." Therefore, you shall believe in GOD and His messenger, the gentile prophet, who believes in GOD and His words. Follow him, that you may be guided.