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 what Sir Joshua himself advances on this subject in another part of the Discourses.

“Some excellences bear to be united, and are improved by union: others are of a discordant nature, and the attempt to unite them only produces a harsh jarring of incongruent principles. The attempt to unite contrary excellences (of form, for instance ) in a single figure, can never escape degenerating into the monstrous but by sinking into the insipid; by taking away its marked character, and weakening its expression.

“Obvious as these remarks appear, there are many writers on our art who, not being of the profession and consequently not knowing what can or cannot be done, have been very liberal of absurd praises in their description of favourite works. They always find in them what they are resolved to find. They praise excellences that can hardly exist together; and, above all things, are fond of describing with great exactness the expression of a mixed passion, which more particularly appears to me out of the reach of our art. ”