After 25 years of buying and supervising a great variety of businesses, Charlie [Munger] and I have not learned how to solve difficult business problems. What we have learned is to avoid them. To the extent we have been successful, it is because we have concentrated on identifying one-foot hurdles that we could step over rather than because we acquired any ability to clear seven-footers.
Warren BuffettYou don't need to be an expert in order to achieve satisfactory investment returns. But if you aren't, you must recognize your limitations and follow a course certain to work reasonably well. Keep things simple and don't swing for the fences.
Warren BuffettThe most important thing in terms of your circle of competence is not how large the area of it is, but how well you've defined the perimeter.
Warren BuffettI tell college students, when you get to be my age you will be successful if the people who you hope to have love you, do love you.
Warren BuffettYou will be right, over the course of many transactions, if your hypotheses are correct, your facts are correct, and your reasoning is correct. True conservatism is only possible through knowledge and reason.
Warren BuffettInvestors should remember that their scorecard is not computed using Olympic-diving methods: Degree-of-difficulty doesn't count. If you are right about a business whose value is largely dependent on a single key factor that is both easy to understand and enduring, the payoff is the same as if you had correctly analyzed an investment alternative characterized by many constantly shifting and complex variables.
Warren Buffett