Never evaluate yourself based on an abstracted metric of a population, without considering inescapable underlying correlated factors in the negative direction.

Never evaluate yourself based on an abstracted metric of a population, without considering inescapable underlying correlated factors in the negative direction. (If all you know is reported salaries from anonymous people, then you don't know how much stress this distribution of people are under, and you don't know what tradeoffs they've had to make that you might not be willing to make, such as enough free time to enjoy the world of literature for instance.)