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
Triadic-line poetry Triadic-line poetry Triadic-line poetry or stepped line is a long line which "unfolds into three descending and indented parts". Created by William Carlos Williams, it was his "solution to the problem of modern verse" and later was also taken up by poets Charles Tomlinson and Thom Gunn. Williams referred to the prosody of triadic-line poetry as a "variable foot", a metrical device to resolve the conflict between form and freedom in verse. Each of the three staggered lines of the stanza should be thought of as one foot, the whole stanza becoming a trimeter line. Williams' collections "Journey to Love"