The perfection of an art consists in the employment of a comprehensive system of laws, commensurate to every purpose within its scope, but concealed … - John Mason Good

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The perfection of an art consists in the employment of a comprehensive system of laws, commensurate to every purpose within its scope, but concealed from the eye of the spectator; and in the production of effects that seem to flow forth spontaneously, as though uncontrolled by their influence, and which are equally excellent, whether regarded individually, or in reference to the proposed result.