The character of Caliban is generally thought (and justly so) to be one of the author's masterpieces. It is not indeed pleasant to see this character on the stage any more than it is to see the God Pan personated there. But in itself it is one of the wildest and most abstracted of all Shakespear's characters, whose deformity whether of body or mind is redeemed by the power and truth of the imagination displayed in it. It is the essence of grossness, but there is not a particle of vulgarity in it. Shakespear has described the brutal mind of Caliban in contact with the pure and original forms of nature; the character grows out of the soil where it is rooted uncontrouled, uncouth and wild, uncramped by any of the meannesses of custom. It is "of the earth, earthy." It seems almost to have been dug out of the ground, with a soul instinctively superadded to it answering to its wants and origin. Vulgarity is not natural coarseness, but conventional coarseness, learnt from others, contrary to, or without an entire conformity of natural power and disposition; as fashion is the common-place affectation of what is elegant and refined without any feeling of the essence of it. Schlegel, the admirable German critic on Shakespear, observes that Caliban is a poetical character, and "always speaks in blank verse." He first comes in thus:
