Charlie Munger

You've got to have models in your head. And you've got to array your experience — both vicarious and direct — on this latticework of models.

You must know the big ideas in the big disciplines and use them routinely — all of them, not just a few.

I constantly see people rise in life who are not the smartest, sometimes not even the most diligent, but they are learning machines. They go to bed every night a little wiser than they were when they got up and boy does that help, particularly when you have a long run ahead of you.