Desperation, despair, fear, powerlessness—these reactions are functions of our perceptions. You must realize: Nothing makes us feel this way; we choose to give in to such feelings. Or, like Rockefeller, choose not to. And it is precisely at this divergence—between how Rockefeller perceived his environment and how the rest of the world typically does—that his nearly incomprehensible success was born. His careful, cautious self-confidence was an incredible form of power.