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. He was preaching a monotheistic tradition based on Judaism and Christianity. He was preaching that there is no god but God. But Mecca's power, its economy, was based on people making pilgrimages there to worship the idols at the Kaaba.