
"Planning for the Phases of Life" http://books.google.com/books?id=JypxP4R4cogC&q=%22One+of+the+marks+of+maturity+is+the+need+for%22+%22a+city+should+not+merely+draw+men+together+in+many+varied+activities+but+should+permit+each+person+to+find+near+at+hand+moments+of+seclusion+and+peace%22&pPA40#v=onepage, The Urban Prospect: Essays (1968)