right, but only half maybe

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.

 

https://www.fool.com/investing/how-to-invest/famous-investors/charlie-munger/