Muhammad in Islam of his wife Aisha. Muhammad is regarded as the final messenger and prophet by all the main branches of Islam who was sent by God to guide humanity to the right way (Quran ). The Quran uses the designation "Khatam an-Nabiyyin" () which is translated as "Seal of the Prophets". The title is generally regarded by Muslims as meaning that Muhammad is the last in the series of prophets beginning with Adam. The belief that a new prophet cannot arise after Muhammad is shared by both Sunni and Shi'i Muslims. Believing Muhammad is the last prophet is a fundamental belief
Prophets and messengers in Islam and Malachi were the last prophets, all of whom lived at the end of the 70-year Babylonian exile. With them, the authentic period of "Nevuah" ("prophecy") died, and nowadays only the "Bath Kol" (בת קול, lit. "daughter of a voice", "voice of God") exists (Sanhedrin 11a). In the New Testament, however, the word "messenger" becomes more frequent, sometimes in association with the concept of a prophet. "Messenger" may refer to Jesus, to his Apostles and to John the Baptist. But the last book of the Old Testament, the Book of Malachi, speaks of a messenger that Christian commentators interpret as