Mistakes: People keep telling me they learn from their mistakes. And I'm pretty sure they are mistaken. Yes, you learn from a mistake not to do again whatever the mistake happened to be. But, unless there's a process of elimination among a small, finite set, the mistake is no guide about what to do in order to succeed.Let's say you forget to take your theatre tickets. That's a mistake, because now you don't know if you can get in. You [...]