Letters to a Young Investor With Reid Hoffman

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

Something I’ve learned from both investors and entrepreneurs is that no one makes good decisions all the time. The most impressive people are packed full of horrendous ideas that are often acted upon.