The Quatrain of Seven Steps seven strides such that Cao Pi is convinced of his innocence. Cao Zhi does so, and Cao Pi becomes so flustered with emotion that he spares his brother, although he later exacts punishment upon Cao Zhi in the form of demotion. The poem itself is written in the traditional "five-character quatrain" style and is an extended metaphor that describes the relationship of two brothers and the ill-conceived notion of one harming the other over petty squabbling. There exists two versions of the poem, one being six lines in length and the other four. The former is generally thought to be
Metre (poetry) Catullus 51 (itself an homage to Sappho 31): The Sapphic stanza was imitated in English by Algernon Charles Swinburne in a poem he simply called "Sapphics": The metrical system of Classical Arabic poetry, like those of classical Greek and Latin, is based on the weight of syllables classified as either "long" or "short". The basic principles of Arabic poetic metre "Arūḍ" or Arud ( ') Science of Poetry ( '), were put forward by Al-Farahidi (786 - 718 CE) who did so after noticing that poems consisted of repeated syllables in each verse. In his first book, "Al-Ard" ( ""),