The film is nearly 90 minutes long, and I felt a little boring when I first watched it, because the beginning of this documentary is all about trivial life and self-narratives of characters. The pace is slow and it is difficult to form a system. But gradually, when Buffett's childhood, school experience, love, career, etc., slowly unfolded in front of us, from his father to the world's richest man, we saw a flesh-and-blood Buffett, and walked into his love and wisdom. What is enviable is that he discovered what he likes from a very early age, and he has always been doing what he likes. In the whole documentary, what struck me the most was the concept of the "circle of competence" that Buffett mentioned. "There's a temptation in the stock market for people to do it a lot, just because they're too easy to change. In a few years you'll develop a filter, I understand what I call a circle of competence, so I'm in that circle, I Don't worry about things outside that circle." It is important to understand what you are doing and where you have an advantage. This is also the most memorable part of the documentary "Becoming Warren Buffett". This is a documentary worth remembering many times.
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