Again, the superior investor—who resists external influences, remains emotionally balanced and acts rationally—perceives both positive and negative events, weighs events objectively and analyzes them dispassionately. But the truth is that sometimes euphoria and optimism cause most investors to view things more positively than is warranted, and sometimes depression and pessimism make them see only bad and interpret events with a negative cast. Refusing to do so is one of the keys to successful investing.
