The picket fence There was a fence with spaces you could look through if you wanted to. An architect who saw this thing stood there one summer evening. Took out the spaces with great care and built a castle in the air. The fence was utterly dumbfounded, each post stood there with nothing round it. Christian Morgenstern, The Art of Looking Sideways www.andrew.cmu.edu spacearchitectureabsurdity
The versatility of flat surfaces The versatility of flat surfaces is not commonly seen in nature. David Pye, The Nature and Aesthetics of Design Deep InterlockThe works of God