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
Perilous to be sure It would not be clear where the boundary of sanctioned speech lay until an attempt had been made to cross it and that attempt had failed. Such efforts Wittgenstein regarded with benevolence. He treated them as reconnaissance expeditions, perilous to be sure, but well worth the effort expended on them. wordsexplorationspeech