" One of the most trying experiences an individual can go through is the period of doubt, of soul-searching, to determine whether to fight the battle or fly from it,” Nixon wrote in Six Crises. “It is in such a period that almost unbearable tensions build up, tensions that can be relieved only by taking action, one way or the other. And significantly, it is this period of crisis conduct that separates the leaders from the followers. "

― David Talbot , The Devil's Chessboard: Allen Dulles, the CIA, and the Rise of America's Secret Government