Poetry interprets in two ways: it interprets by expressing, with magical felicity, the physiognomy and movements of the outward world; and it interprets by expressing, with inspired conviction, the ideas and laws of the inward world of man's moral and spiritual nature. In other words, poetry is interpretative both by having natural magic in it, and by having moral profundity.
Matthew ArnoldCome to me in my dreams, and then By day I shall be well again. For then the night will more than pay The hopeless longing of the day.
Matthew ArnoldGood poetry does undoubtedly tend to form the soul and character; it tends to beget a love of beauty and of truth in alliance together, it suggests, however indirectly, high and noble principles of action, and it inspires the emotion so helpful in making principles operative.
Matthew Arnold