There’s a virtuous cycle when people have to defend challenges to their ideas. Any gaps in thinking or analysis become clear pretty quickly when smart people ask good, logical questions. You can’t be a good value investor without being an independent thinker – you’re seeing valuations that the market is not appreciating. But it’s critical that you understand why the market isn’t seeing the value you do. The back and forth that goes on in the investment process helps you get at that.
Joel GreenblattI still believe that for good business analysts a concentrated portfolio is a good strategy combined with a long term horizon. Once again, the secret to success in following the formula strategy is patience, a quality in short supply for both professionals and individual investors alike. I think investors should have a large portion of their assets in equities over time.
Joel GreenblattI don't know too many people that are good at timing the market relative to macro-economic events.
Joel GreenblattThere's a clarity that comes with great ideas: You can [easily and simply] explain why something's a great business, how and why it's cheap, why it's cheap for temporary reasons and how, on a normal basis, it should be trading at a much higher level. You're never sitting there on the 40th page of your spreadsheet, as Buffett would say, agonizing over whether you should buy or not.
Joel GreenblattLook down, not up, when making your initial investment decision. If you don’t lose money, most of the remaining alternatives are good ones.
Joel Greenblatt