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
Writing is one way to go about thinking And the practice and habit of writing not only drains the mind but supplies it, too. William Strunk Jr. & E.B. White, The Elements of Style Expressing ideas helps to form them thinking