People who watch their weight, golf scores, and fuel bills seem to shun quantitative evaluation of their investment management skills although it involves the most important client in the world-themselves.
Warren BuffettIf you are a professional and have confidence, then I would advocate lots of concentration.
Warren BuffettPart of making good decisions in business is recognizing the poor decisions you've made and why they were poor. I've made lots of mistakes. I'm going to make more. It's the name of the game. You don't want to expect perfection in yourself. You want to strive to do your best. It's too demanding to expect perfection in yourself.
Warren Buffett