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ord on human endurance. Certain arrangements of color and movement satisfy us over a long period of time, like the ballet Swan Lake, for instance, or Impressionist paintings. We judge them as beautiful. Beauty, many would insist, is the very hallmark of what is truly art. 3。 To these may be added a third function. The arts are didacticthey teach us. Shakespeare39。s Macbeth, for instance, teaches us that inordinate ambition is pernicious. All the narrative arts, in fact, instruct us to some extent. When we watch a play that is deeply moral, we see ourselves in the characters, we recognize our own destinies in the plot, and we find the moral dilemma of the action to be representative of problems in all human relationships. 4 。 This function of the arts can be denoted as expressionismthe artist39。s use of a medium to express unique passion and insight. Poets such as Emily Dickinson and Theodore Roethke, painters such as the American