Read the excerpt from samuel johnson's preface to a dictionary of the english language. i applied myself to the perusal of our writers; and noting whatever might be of use to ascertain or illustrate any word or phrase, accumulated in time the materials of a dictionary, which, by degrees, i reduced to method, establishing to myself, in the progress of the work, such rules as experience and analogy suggested to me; experience, which practice and observation were continually increasing; and analogy, which, though in some words obscure, was evident in others. the excerpt suggests that johnson’s work is significant because it teaches readers how to understand analogies. follows a method prescribed by other dictionaries. reflects an exhaustive study of its words. includes obscure words not previously defined. (not b)