If you believe what you read, it takes ~10000 hours to master an activity. Most people give up long before then. So people almost never achieve their real pot

If you believe what you read, it takes ~10000 hours to master an activity. Most people give up long before then. So people almost never achieve their real potential which is really what Phelps and the blog are really about. That Phelps used "some" hyperbole is not surprising - he didn't spend that 10000 hours honing his public speaking.