Here is part of the tradeoff with diversification. You must be diversified enough to survive bad times or bad luck so that skill and good process can have the chance to pay off over the long term. Joel Greenblatt More Quotes by Joel Greenblatt More Quotes From Joel Greenblatt I think the exercise of trying to figure out how to simplify concepts has been incredibly helpful to me over the last 13 years of teaching and I hope my students have benefited from it. Joel Greenblatt teaching exercise thinking We are busy surviving, herding, fixating on what just happened, and being overconfident! Joel Greenblatt surviving happened busy I don't know too many people that are good at timing the market relative to macro-economic events. Joel Greenblatt timing events people The way we make money as a group is that we don't pay a lot for anything, and most of the stocks we buy have low expectations. Joel Greenblatt groups expectations pay