A long syllable put after a short one is termed an iambus, a lively measure, whence also it commanded the name of trimeters to be added to iambics, though it yielded six beats of time, being similar to itself from first to last. Not long ago, that it might come somewhat slower and with more majesty to the ear, it obligingly and contentedly admitted into its paternal heritage the steadfast spondees; agreeing however, by social league, that it was not to depart from the second The iambic yields only the odd places to the spondee, the first, third, and fifth, but preserves the second, fourth, and sixth for itself. This mixture renders the verse more noble, and it may be still trimeter, the second foot being iambic. The comic poets, better to disguise their verse, and make it appear more like common conversation, inverted the tragic order, and put spondees in the even places. and fourth place. But this [kind of measure] rarely makes its appearance in the notable Ironically spoken. trimeters of Accius, and brands the verse of Ennius brought upon the stage with a clumsy weight of spondees, with the imputation of being too precipitate and careless, or disgracefully accuses him of ignorance in his art.
It is not every judge that discerns inharmonious verses, and an undeserved indulgence is [in this case] granted to the Roman poets. But shall I on this account run riot and write licentiously? Or should not I rather suppose, that all the world are to see my faults; secure, and cautious [never to err] but with hope of being pardoned? Though, perhaps, I have merited no praise, I have escaped censure.
