Shakespeare was writing in the time scientific time of taxonomy, where things are compared to one another to create their own classification. So this declaration from Kent to Oswald would be typical of an Earl's education. This could have given away his disguise, as he was dressed as Caius in A1 S4, and a peasant wouldn't have been as educated.
The simple fact that if you put nothing in, a whole lot of nothing will come back out. At the moment that relates to two things for me; job hunting, and this blog.