… do not include studying the habits of highly successful people
The Misconception: You should study the successful if you wish to become successful.
The Truth: When failure becomes invisible, the difference between failure and success may also become invisible.
In general, the lesson that once you’ve applied a filter to your sample, you usually don’t have a normal distribution anymore. Taking those numbers as typical is like gathering anecdotal evidence.
Also, the story about analyzing bomber damage in WWII is one I’d heard before and liked. I’m glad it’s actually be true.