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
Burglary's White Whale If all cities already contain the crimes that will occur there, then, taken to its logical conclusion, this suggests there might be a kind of Moby-Dick of crime, a White Whale of urban burglary: a town or city so badly designed that the entire place can be robbed in one go. Geoff Manaugh, A Burglar's Guide to the City Putting the streets to useInvisible Cities