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
Sapphic stanza used several metrical forms for her poetry, she is most famous for the Sapphic stanza. Her poems in this meter (collected in Book I of the ancient edition) ran to 330 stanzas, a significant part of her complete works (and of her surviving poetry: fragments 1-42). It is not clear if she created it or if it was already part of the Aeolic tradition; according to Marius Victorinus ("Ars grammatica" 6.161 Keil), it was invented by Alcaeus but then used more frequently by Sappho, and so is more strongly associated with her. Sappho's most famous poem in this metre is