But life is not a portfolio: not for a startup founder, and not for any individual. An entrepreneur cannot “diversify” herself: you cannot run dozens of companies at the same time and then hope that one of them works out well. Less obvious but just as important, an individual cannot diversify his own life by keeping dozens of equally possible caree

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Warren Buffett has said he doesn't do due diligence. This was a statement about Precision Castparts which is one of his largest acquisitions ever. And everybody just ignored that comment, but it was a profound comment. And what he meant by it was that he didn't need to do due diligence. He had been reading every 10-K published by Precision Castpart... See more