"Knowledge is power," wrote Will Durant, "but only wisdom is liberty."
Nevertheless, knowledge -- when combined with compassionate intelligence -- is a very good thing.
Many of the world's leading universities are now offering their courses online, in the form of lecture notes, audio recordings, and even videos of the lectures.
An article in yesterday's (November 1, 2010) New York Times describes some of the course offerings, at Harvard, Yale, Stanford and the University of Michigan.
http://www.nytimes.com/2010/11/01/world/europe/01iht-educLede01.html
Apple's iTunes University offers many free courses; you can begin exploring the jungle of knowledge here:
http://www.apple.com/education/itunes-u/
http://www.openculture.com/2007/05/10_free_university_courses_on_itunes.html
http://www.openculture.com/freeonlinecourses
Additional links to free online courses can be found on the web page of Zorba's Guide to Free Ebooks, here:
http://www.zorba.us/?page_id=818
--Michael Pastore, Epublishers Weekly