Nothing is less important than which fork you use. Etiquette is the science of living. It embraces everything. It is ethics. It is honor.
Source: In The Forbes Book of Business Quotations, by Ted Goodman, 1997.
-- Emily Post, (Oct 27 1872-1960), US etiquette authority; She was the authority on social behaviour whose definitive work was Etiquette: The Blue Book of Social Usage, 1922.