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 e… - Charlie Munger

It's the work on your desk. Do well with what you already have and more will come in.

Obviously, you have to know accounting. It's the language of practical business life. It was a very useful thing to deliver to civilization. I've heard it came to civilization through Venice which of course was once the great commercial power in the Mediterranean. However, double-entry bookkeeping was a hell of an invention.
And it's not that hard to understand.
But you have to know enough about it to understand its limitations — because although accounting is the starting place, it's only a crude approximation. And it's not very hard to understand its limitations. For example, everyone can see that you have to more or less just guess at the useful life of a jet airplane or anything like that. Just because you express the depreciation rate in neat numbers doesn't make it anything you really know.

The idea that life is a series of adversities and each one is an opportunity to behave well instead of badly is a very, very good idea.