Lesson 1
Jonathan Haidt's Two Principles of Happiness
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Prof. Gendler Tamar; PHIL 181: Philosophy and the Science of Human Nature; Spring 2011; YALE Open Courses: Yale University, Philosophy; http://oyc.yale.edu/philosophy/phil-181/lecture-5 Accessed 18/09/2014; License: Creative Commons BY-NC-SA

Professor Gendler begins with a poll of the class about whether students have elected to take a voluntary no-Internet pledge, and distributes stickers to help students who have made the pledge stick to their resolve. She then moves to the substantive part of the lecture, where she introduces Plato’s analogy between the city-state and the soul and articulates Plato’s response to Glaucon’s challenge: justice is a kind of health--the well-ordered working of each of the parts of the individual—and thus is intrinsically valuable.

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