It has come back from the grave as a belief that only exclusive property rights in ideas will produce creativity, inventiveness, discovery. You have proven that's wrong [...]. It is instead the sharing of knowledge and ideas which produces creativity, which enables invention, which produces innovation.
Eben Moglen on software, sharing, and society
EN: Eben Moglen gave a great talk about the sharing of knowledge and its benefits at the OSCON 2006. It's now available on O'Reilly's Distributing the future as an mp3 file.