ciple that Sir Joshua would get rid of all variety, character, expression, and picturesque effect in forms, or at least measure the worth or the spuriousness of all these according to their reference to or departure from a given or average standard. Surely, nature is more liberal, art is wider than Sir Joshua's theory. Allow (for the sake of argument) that all forms are in themselves indifferent, and that beauty or the sense of pleasure in forms can therefore only arise from customary association, or from that middle impression to which they all tend: yet this cannot by the same rule apply to other things. Suppose there is no capacity in form to affect the mind except from its corresponding to previous expectation, the same thing cannot be said of the idea of power or grandeur. No one can say that the idea of power does not affect the mind with the sense of awe and sublimity. That is, power and weakness, grandeur and littleness, are not indifferent things, the perfection of which consists in a medium between both. Again, expression is not a thing indifferent in itself, which derives its value or its interest solely from its conformity to a neutral standard. Who would neutralise the expression of pleasure and pain? Or say that the passions of the human mind, pity,
