No, honey, you can’t be anything you want to be. And that’s okay.

Telling kids that they can do anything—whether fueled by imagination or hard work—obscures the critical role of chance in success. Not every child who wants to be a surgeon or sports star can become one, even if they work hard at it. At the same time, in every success story there is the grace of good fortune. As Nobel Laureate Daniel Kahneman puts it: “Success = Talent + Luck. Great success = A little more talent + A Lot of Luck.”