of expression naturally responding to his state of feeling, there
will flow from his pen a composition changing to the same degree
that the aspects of his subject change. He will thus without effort
conform to what we have seen to be the laws of effect. And while
his work presents to the reader that variety needful to prevent
continuous exertion of the same faculties, it will also answer to
the description of all highly organized products, both of man and
of nature: it will be not a series of like parts simply placed in
juxtaposition, but one whole made up of unlike parts that
are mutually dependent.