Original sentence: "    His later role as a head of state in the Medinan period, however, has inspired some Christian historians to challenge this conception.A few mocked him.Around 613, Muhammad began to spread his message amongst the people.Around the year 610, Muhammad was then visited by the Angel Gabriel while meditating.Most of those who heard his message ignored it.Others believed and joined him.Secular historians agree that Muhammad lived during the 7th century; many argue that he simply adopted various monotheistic traditions in an effort to replace the common polytheistic religions of the Arabian Peninsula, eventually gaining wide acceptance as a prophet.Several non-Muslim scholars have held that Muhammad’s ideas developed gradually, with various traditions taken from the Bible (some apocryphal) and included in the Qur’an in order to win over followers from Christianity and Judaism.Until his death, Muhammad said he received frequent revelations, although there was a relatively long gap after the first revelation
Edited sentence: "    His later conduct during the Medinan period, however, has inspired some Christian historians to challenge this conception.Around 613, Muhammad began to preach to the Meccan public, and soon assembled a small but dedicated band of followers.Muhammad told people that, around the year 610, the Angel Gabriel had visited him in the cave and ordered him to recite what became the first verses of the Qur'an.Secular historians assume that Muhammad adopted various monotheistic traditions in an effort to replace the common polytheistic religions of the Arabian Peninsula, eventually gaining wide acceptance as a prophet.Several scholars have held that Muhammad’s ideas developed gradually, with various traditions taken from the Bible (some apocryphal) and included in the Qur’an in order to win over followers from Christianity and Judaism