“As a favor to me” : Jon Jecker and David Landy, “Liking a Person as a Function of Doing Him a Favour,” Human Relations 22
(1969): 371–378.
“He that has once done you a kindness” : Benjamin Franklin, The Autobiography of Benjamin Franklin (New York: Dover,
1868/1996), 80.
“fundamental rule for winning friends” : Walter Isaacson, “Poor Richard’s Flattery,” New York Times, July 14, 2003.
Chapter 6: The Art of Motivation Maintenance Opening quote : Herbert Simon, “Altruism and Economics,” American Economic Review 83 (1993): 157.
what motivates highly successful givers : Jeremy A. Frimer, Lawrence J. Walker, William L. Dunlop, Brenda H. Lee, and Amanda
Riches, “The Integration of Agency and Communion in Moral Personality: Evidence of Enlightened Self-Interest,” Journal of Personality and Social Psychology 101 (2011): 149–163.
pathological altruism : Barbara Oakley, Ariel Knafo, and Michael McGrath, eds., Pathological Altruism (New York: Oxford
University Press, 2011).
“failing to study” : Vicki S. Helgeson and Heidi L. Fritz, “The Implications of Unmitigated Agency and Unmitigated Communion for
Domains of Problem Behavior,” Journal of Personality 68 (2000): 1031-1057.
completely independent motivations : Adam M. Grant and David M. Mayer, “Good Soldiers and Good Actors: Prosocial and
Impression Management Motives as Interactive Predictors of Affiliative Citizenship Behaviors,” Journal of Applied Psychology 94 (2009): 900–912; Adam M. Grant and James Berry, “The Necessity of Others Is the Mother of Invention:
Intrinsic and Prosocial Motivations, Perspective-Taking, and Creativity,” Academy of Management Journal 54 (2011): 73–96;
and Carsten K. W. De Dreu and Aukje Nauta, “Self-Interest and Other-Orientation in Organizational Behavior: Implications for
Job Performance, Prosocial Behavior, and Personal Initiative,” Journal of Applied Psychology 94 (2009): 913–926.