He had rules, informally minted and strictly observed. Never take a shortcut that winds through a schoolyard at recess. Always offer the second sandwich to the person who looks hungrier. If a fellow driver was stranded, don’t ask questions — help first, ask later. These were not moralizing proclamations but small acts of etiquette that accrued into a reputation. People liked the idea of a code in the chaos: a statement that even in a city that blurred itself into utility, some standards remained.