So eventually they turn to somebody who's seen as being very honest and truth worthy and all this great jazz, and that's Muhammad. Now Muhammad is then put in charge of putting that Black Rock back into the Kaaba. And this is before he has any revelations. But it's seen by many people who follow the faith as being a sign. Now in 610 he's going to have his first of many revelations. And it's very important to understand that we're going to be talking about a cave he goes to pray in. It's called Ahira.