In a quiet server-side update, Apple has given Siri the ability to respond to requests with quotes, notably to suggest that the user is being too long-winded. When asking the assistant a question — presumably one that Apple’s servers find too long or difficult to parse—Siri responds with William Strunk and Thomas Jefferson quotes alluding to brevity. Notably, the thirty-word Strunk quote itself takes several seconds for Siri to read…