Half as many people will not support half as many enterprises In a given geographical territory, half as many people will not support half as many such enterprises spaced at twice the distance. When distance inconvenience sets in, the small, the various and the personal wither away. Jane Jacobs, The Death and Life of Great American Cities densitydistancegeographybusinesseconomics
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