But the communication of pleasure may be the immediate object of a work not metrically composed; and that object may have been in a high degree attained, as in novels and romances. Would then the mere superaddition of metre, with or without rhyme, entitle these to the name of poems? The answer is, that nothing can permanently please, which does not contain in itself the reason why it is so, and not otherwise. If metre be superadded, all other parts must be made consonant with it. They must be such, as to justify the perpetual and distinct attention to each part, which an exact correspondent recurrence of accent and sound are calculated to excite. The final definition then, so deduced, may be thus worded. A poem is that species of composition, which is opposed to works of science, by proposing for its immediate object pleasure, not truth; and from all other species--(having this object in common with it)--it is discriminated by proposing to itself such delight from the whole, as is compatible with a distinct gratification from each component part. Controversy is not seldom excited in consequence of the disputants attaching each a different meaning to the same word; and in few instances has this been more striking, than in disputes concerning the present subject. If a man chooses to call every composition a poem, which is rhyme, or measure, or both, I must leave his opinion uncontroverted. The distinction is at least competent to characterize the writer’s intention. If it were subjoined, that the whole is likewise entertaining or affecting, as a tale, or as a series of interesting reflections; I of course admit this as another fit ingredient of a poem, and an additional merit. But if the definition sought for be that of a legitimate poem, I answer, it must be one, the parts of which mutually support and explain each other; all in their proportion harmonizing with, and supporting the purpose and known influences of metrical arrangement. The philosophic critics of all ages coincide with the ultimate judgment of all countries, in equally denying the praises of a just poem, on the one hand, to a series of striking lines or distiches, each of which, absorbing the whole attention of the reader to itself, becomes disjoined from its context, and forms a separate whole, instead of a harmonizing part; and on the other hand, to an unsustained composition, from which the reader collects rapidly the general result unattracted by the component parts. The reader should be carried forward, not merely or chiefly by the mechanical impulse of curiosity, or by a restless desire to arrive at the final solution; but by the pleasureable activity of mind excited by the attractions of the journey itself. Like the motion of a serpent, which the Egyptians made the emblem of intellectual power; or like the path of sound through the air;--at every step he pauses and half recedes; and from the retrogressive movement collects the force which again carries him onward.