[Music] Now, what I'm going to talk to you about is on there. If you can't explain what you're going to talk about in a piece of paper that big, you're not an expert in your field. If you can't explain it simply, you're not an expert in your field. So, let me tell you what I'm going to talk about. What I get more than anything in my inbox on my email is, "Why don't they teach you this at school. Why don't they teach you this at school more than anything else. What is it.What is it that all these people and ...