154 
    
    Dan Lovallo and Daniel Kahneman, “Delusions of Success: How Optimism Undermines Executives’ Decisions,” Harvard Business Review (July 2003): 63.
                155 
    
    Thomas L. Friedman, “Obama’s Best-Kept Secrets,” New York Times, October 21, 2012, SR1.
                156 
    
    George Bernard Shaw, Maxim 124, “Maxims for Revolutionists,” in Man and Superman: A Comedy and Philosophy (London: Penguin Books, 2000).
                157 
    
    H. Guyford Stever and James J Haggerty, Flight (New York: Time Inc., 1965), 23.
                158 
    
    Chuck Yeager and Leo Janos, Yeager: An Autobiography (New York: Bantam Books, 1985), 103.
                159 
    
    Yeager and Janos, Yeager, 117–118.
                160 
    
    Yeager and Janos, Yeager, 118.
                161 
    
    Yeager and Janos, Yeager, 137.
                162 
    
    Yeager and Janos, Yeager, 121.
                163 
    
    Yeager and Janos, Yeager, 132.
                164 
    
    Yeager and Janos, Yeager, 150.
                165 
    
    Chuck Yeager, Bob Cardenas, Bob Hoover, Jack Russell, and James Young, The Quest for Mach One: A First-Person Account of Breaking the Sound Barrier (New York: Penguin, 1997), 99.