If you get something for nothing, part of you may be pleased, but part of you moves your hand to give something back.
Jonathan Haidt (2006). “The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom”, p.56, Basic Books
![If you get something for nothing, part of you may be pleased, but part of you moves your hand to give something back.](http://cdn.quoteddaily.com/images/jonathan-haidt/if-you-get-something-for-nothing-part-of-you-may-be-pleased-but-part-of-you-moves-your-hand-to.jpg)