Some coaches believed they could judge a player's performance simply by watching it. In this they were deeply mistaken. The naked eye was an inadequate tool for learning what you needed to know to evaluate baseball players and baseball games. Think about it. One absolutely cannot tell, by watching, the difference between a .300 hitter and a .275 hitter. The difference is one hit every two weeks. The difference between a good hitter and an average hitter is simply not visible-it is a matter of record
Michael LewisIf you have a patient in a doctor's office who's just been told they have terminal cancer but there's this operation they could perform right now that might save their lives. ... They have a 90 percent chance of surviving the operation — if you tell them that, they respond one way. If you tell them ... that they have a 10 percent chance of being killed by the operation, they are about three times less likely to have the operation.
Michael LewisYou want the book to be special, and they are not always going to be special, but at least you want that to be the ambition. So the only way that happens is if you are not pressing to write a book.
Michael LewisThere was but one question he left unasked, and it vibrated between his lines: if gross miscalculations of a person's value could occur on a baseball field, before a live audience of thirty thousand, and a television audience of millions more, what did that say about the measurement of performance in other lines of work? If professional baseball players could be over- or under valued, who couldn't?
Michael Lewis