Written by Pyotr Demianovich Ouspenskii
"When "Tertium Organum" was released in the United States in 1920, Claude Bragdon, one of those in charge of translating and publishing the English edition, said, "By titling his book "Tertium Organum," Ouspensky reveals at a stroke that astounding audacity which characterises his thought throughout... A title like that effectively declares, "Here is a book that will restructure all knowledge. The Third Canon of Thought predated these two, and disregard for its rules does not excuse their breaking. The "Organon" of Aristotle and the "Novum Organum" of Bacon established the rules under which the subject thinks. Human cognition will be governed and guided by "Tertium Organum.""