Dr. Tae, physicist, gives a minimalist presentation on the culture of teaching and learning, particularly depersonalization.
http://vimeo.com/5513063
Found from http://www.presentationzen.com/
Also, Brene Brown on imperfection as something that's okay:
http://www.ted.com/talks/view/id/1042
And Branford Marsalis talking smack about the mindset of students:
http://youtu.be/5rz2jRHA9fo