注释
As long as you don' t expect a simple answer to this question by the end of the book， we are going to be okay.
My father used to say that having very young kids at home is a sure way to get people to stay in the office longer.
Roy Baumeister， Kathleen Vohns， Jennifer Aaker， Emily Garbinsky， “Some Key Differences Between a Happy Life and a Meaningful Life，” Journal of Positive Psychology（2013）.
Dan Ariely， Emir Kamenica， and Drazen Prelec， “Man' s Search for Meaning: The Case of Legos，” Journal of Economic Behavior & Organization （2008）.
Amy Adkins， “Majority of U.S. Employees Not Engaged Despite Gains in 2014，”
Gallup， January 28， 2015， http://www.gallup.com/poll/181289/majority-employees-not-engaged-despitegains-2014.aspx.
Adam Smith， “An Inquiry into the Nature and Causes of the Wealth of Nations，” http://geolib.com/smith.adam/won1-01.html.
John Maynard Keynes， The General Theory of Employment， Interest and Money （1936）.
Michelle Park， “A History of the Cake Mix， the Invention That Redefined ‘Baking，” http://www.bonappetit.com/’entertaining-style/pop-culture/article/ cake-mix-history.
Mike Norton， Daniel Mochon， and Dan Ariely “The IKEA Effect: When Labor Leads to Love，” Journal of Consumer Psychology （2012）.
Daniel Mochon， Mike Norton， and Dan Ariely， “Bolstering and Restoring Feelings of Competence via the IKEA Effect，”International Journal of Research in Marketing （2012）.
I wrote about this in Irrationally Yours （New York:HarperCollins，2015）.
Alex Shaw， Vivian Li，and Kristina Olson， “Children Apply Principles of Physical Ownership to Ownership of Ideas，”Cognitive Science （2012）.
Ibid.
Dan Ariely， Uri Gneezy， George Loewenstein， and Nina Mazar， “Large Stakes and Big Mistakes，” Review of Economic Studies （2009）.
Kaitlin Woolley and Ayelet Fishbach， “The Experience Matters More Than You Think: People Value Intrinsic Incentives More Inside Than Outside an Activity，” Journal of Personality and Social Psychology （2015）.
Dan Ariely， Predictably Irrational （New York: HarperCollins，2008）.
Sigal Bardas， “The Ripple Effect: Emotional Contagion and Its Effect on Group Behavior，” Administrative Science Quarterly （2002）.
William Shakespeare， Henry VI， part 2， act 4， scene 2， line 73.
Douglas R. Conant， “Secrets of Positive Feedback，”Harvard Business Review， February 16， 2011， https://hbr.org/2011/02/secrets-of-positive-feedback/.
Eti Bonn-Muller， “China' s Sleeping Beauty，” Archaeology，April 10， 2009， http://www.archaeology.org/online/features/mawangdui/.
“Mawangdui，” Wikipedia， last modified March 20， 2016，http://en.wikipedia.org/ wiki/Mawangdui.
Sam Savage， “Meet the Lady Dai，” Red Orbit， November 4，2004， http://www.redorbit.com/news/health/100340/meet_the_lady_dai____of_145bc_/.
Liz Langley， “Toilets， Headless Bodies， and Other Weird Things People Get Buried With，” National Geographic，November 7， 2013， http://voices.nationalgeographic.com/2013/11 /07/toilets- headless- bodies-and-other-weird -things-people-get-buried-with/.
“5 People Buried with Strange Objects，” How Stuff Works:Entertainment， http://entertainment，howstuffworks.com/5-people-bu ried-with-strange-objects. htm#page=4.
Matt Branham，“The Oddest Things Bequeathed in Dead People's Wills，” November 24，2014，http://www.mandatory.com/2014/11/24/the-oddest-thingsbequeathed-in-dead-peoples-wills/.
Alex Mathews Blog，http://www.alexmathews.com/212/random/10-last-laughs-weird-wills-and-strange-legacies/.
Douglas Adams，The Hitchhiker's Guide to the Galaxy（New York:Del Rey Books，1995）.
Viktor Frankl，Man's Search forMeaning （New York: Simon& Schuster，Touchstone edition，1959）.