What's the difference between Buffett's optimism and others’?
It'simportantforeveryonetohaveanoptimisticattitude.IntheBillandtheMelindaGatesFoundation'sannualletterthisyear,MelindaGatesonceevaluatedBuffettasamanwithanoptimisticspirit.ItwasnotthesuccessthatmakesB