“In other words, utterances are not only (save in exceptional circumstances) signs to be understood and deciphered; they are also signs of wealth, intended to be evaluated and appreciated, and signs of authority, intended to be believed and obeyed.”
Chapter 29 on Language and Symbolic Power from Jaworski, Adam + Coupland, Nikolas (EDS). 2001. The Discourse Reader. London: Rutledge.