It's an article of faith. Now the second is Salat, which is prayer. And all Muslims must pray five times a day. And that's marked off from sunrise to the end of the day where they have to face Mecca. And there's certain rules about how they pray in terms of how they kneel and how they bow. But five times a day, if you want to be a Muslim, if you want to practice Islamic faith, you're going to have to do it five times a day. That's the second pillar of Islam.