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
Terzanelle stanza is: Terzanelle A terzanelle is a poetic form combining aspects of the villanelle and the terza rima. It is nineteen lines total, with five triplets and a concluding quatrain. The middle line of each triplet stanza is repeated as the third line of the following stanza, and the first and third lines of the initial stanza are the second and final lines of the concluding quatrain; thus, seven of the lines are repeated in the poem. The rhyme scheme and stanzaic structure are as follows (a capitalized letter indicates a line repeated verbatim): Or, for the alternate (couplet) ending,