Ivy League 3대 명강의

Harvard University

Michael Sandel "Justice"

http://www.justiceharvard.org/

Tal Ben-Shahar "Happier"

http://www.youtube.com/watch?v=5-RVECUWOGQ

Yale University

Shelly Kagan "Death"

https://itunes.apple.com/us/itunes-u/death-video/id341651012