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
The order of life Like the housers who face a blank if they try to think what to do besides income-sorting projects, or the highwaymen who face a blank if they try to think what to do besides accommodate more cars, just so, architects who venture into city design often face a blank in trying to create visual order in cities except by substituting the order of art for the very different order of life. Jane Jacobs, The Death and Life of Great American Cities A city cannot be a work of art order