Warren always said it’s probably always a mistake to marry for money and it’s really stupid if you’re already rich. - Charlie Munger

To get what you want, you have to deserve what you want. The world is not yet a crazy enough place to reward a whole bunch of
undeserving people.

Stay within a well-defined circle of competence.

What I found, in my extended attempts to complete by informal means my stunted education, was that, plugging along with only ordinary will but with the fundamental organizing ethos as my guide, my ability to serve everything I loved was enhanced far beyond my deserts. Large gains came in places that seemed unlikely as I started out, sometimes making me like the only one without a blindfold in a high-stakes game of pin the tail on the donkey. For instance, I was productively led into psychology, where I had no plans to go, creating large advantages that deserve a story on another day.