But he's able to, under the care of his uncle, become a merchant. And at the age of 25, he marries a wealthy merchant widow named Khadijah, who is 15 years his senior. Then we saw at age 40, in 610, while meditating in a mountain outside of Mecca, he receives the first revelations of the Quran, according to Islamic tradition. And he's skeptical of it at first, but he is reassured. And then he soon receives many more revelations. And within roughly three years, he starts to preach those revelations. Now, as we mentioned in that last video, what he was preaching did not sit well with his own tribe, those who ruled Mecca, the Quraysh.