René Descartes
[kml_flashembed movie="http://www.youtube.com/v/6IshTk3H_-o" width="425" height="350" wmode="transparent" /]
David Hume
[kml_flashembed movie="http://www.youtube.com/v/1fW3nFtXAqg" width="425" height="350" wmode="transparent" /]
René Descartes
[kml_flashembed movie="http://www.youtube.com/v/6IshTk3H_-o" width="425" height="350" wmode="transparent" /]
David Hume
[kml_flashembed movie="http://www.youtube.com/v/1fW3nFtXAqg" width="425" height="350" wmode="transparent" /]