ESSAY IV.
ON GENIUS AND COMMON SENSE.
“We hear it maintained by people of more gravity than understanding, that genius and taste are strictly reducible to rules, and that there is a rule for every thing. So far is it from being true that the finest breath of fancy is a definable thing, that the plainest common sense is only what Mr. Locke would have called a mixed mode, subject to a particular sort of acquired and undefinable tact. It is asked, "If you do not know the rule by which a thing is done, how can you be sure of doing it a second time?” And the answer is, “If you do not know the muscles by the help of which you walk, how is it you do not fall down at every step you take?” In art, in taste, in life, in speech, you decide from feeling, and not from reason; that is, from the impression of a number of things on the mind, which impression is true and well-founded, though you may not be able to analyse or account for it in the several
