The better the investor, the simpler the questions. When I started, I was obsessed with jargon, complex questions and spreadsheets. Now I ask things like “what does it do?”, “why do people buy it?”, and “why are you selling?”. And I never do more math than I can fit on a napkin.

14 more ideas from Buffett and Munger I don’t want to forget: 1. The one thing that has surprised me all my life is how many people with high IQs do massively stupid things. 2. Berkshire was a small business at one time. It just takes time. It is the nature of compound interest. You can't build it in one day, or one week. 3. Unfortunately, Bert... See more