the discontent of the mind with itself; so that we thus render ourselves ever more useless and ever more discontented. The beauties of nature are generally of most benefit in this point of view, if we are early accustomed to observe, appreciate, and admire them.  53. Comparison of the respective aesthetical worth of the beautiful arts Of all the arts poetry (which owes its origin almost entirely to genius and will least be guided by precept or example) maintains the first rank. It expands the mind by setting the Imagination at liberty; and by offering within the limits of a given concept amid the unbounded variety of possible forms accordant therewith, that which unites the presentment of this concept with a wealth of thought, to which no verbal expression is completely adequate; and so rising aesthetically to Ideas. It strengthens the mind by making it feel its faculty -- free, spontaneous and independent of natural determination -- of considering and judging nature as a phenomenon in accordance with aspects which it does not present in experience either for Sense or Understanding, and therefore of using it on behalf of, and as a sort of schema for, the supersensible. It plays with illusion, which it produces at pleasure, but without deceiving by it; for it declares its exercise to be mere play, which however can be purposively used by the Understanding. -- Rhetoric, in so far as this means the art of persuasion, i.e. of deceiving by a beautiful show