 So obviously there were sources and resources or scriptures that Alma had access to that he was able to quote there. And then sometimes he would talk about his personal experience, which he often did with his sons and others, about his experience in conversion. And then sometimes it would be, well, and then an angel instructed me about this. And then here's the other thing. And he's always, like Kevin says, he's very careful to say, I don't know this.