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
highdensityandovercrowding They hated both equally, in any case, and coupled them like ham and eggs, so that to this day housers and planners pop out the phrase as if it were one word, “highdensityandovercrowding.” Jane Jacobs, The Death and Life of Great American Cities densityurbanism
The multiplicity of living patterns The more living patterns there are in a thing—a room, a building, or a town—the more it comes to life as an entirety, the more it glows, the more it has this self-maintaining fire, which is the quality without a name. Christopher Alexander, The Timeless Way of Building The right overlapEach element performs many functions complexity