See the gallery for tag and special word "Discourse". You can to use those 8 images of quotes as a desktop wallpapers.
As I say, I'm a discourse advocate. What form it comes is less important to me than the fact that there is discourse.Tags: Fact, Less ✍ Author: Jim Lehrer
Scientific knowledge is a kind of discourse.Tags: Knowledge, Scientific ✍ Author: Jean-Francois Lyotard