Reciprocity Whenever human activities incorporate machines or rigidly prescribed procedures, the modes of human interaction change. In general, technical arrangements reduce or eliminate reciprocity. Reciprocity is some manner of interactive give and take, a genuine communication among interacting parties. Ursula M. Franklin, The Real World of Technology reciprocity
New ideas must use old buildings Old ideas can sometimes use new buildings. New ideas must use old buildings. Jane Jacobs, The Death and Life of Great American Cities The economic value of old buildings timeideasarchitecturenovelty