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
Blueprints Blueprints lead to the making of things that are abstract, not always based on reality. Once something becomes abstract, it breeds disconnectedness — separation and the inability to connect with our surroundings. People buy houses from blueprints, but then don't like the actual house: "What on earth is this? I had no idea it was going to be like this...etc." Christopher Alexander, The Battle for the Life and Beauty of the Earth Maps and observationThe preliminary sketch makingdesign