Poetry have challenged the traditional definitions of the sonnet form, rendering entire sequences of "sonnets" that often lack rhyme, a clear logical progression, or even a consistent count of fourteen lines. "Shi" () Is the main type of Classical Chinese poetry. Within this form of poetry the most important variations are "folk song" styled verse ("yuefu"), "old style" verse ("gushi"), "modern style" verse ("jintishi"). In all cases, rhyming is obligatory. The Yuefu is a folk ballad or a poem written in the folk ballad style, and the number of lines and the length of the lines could be irregular. For the
Sonnet 21 of other poets. As Madeleine Doran and others note, criticism of exaggerated praise was only slightly less common in Renaissance poetry than such praise itself. Sonnet 21 Sonnet 21 is one of 154 sonnets written by the English playwright and poet William Shakespeare and is part of the "fair youth" sequence. Like Sonnet 130, it addresses the issue of truth in love, as the speaker asserts that his lines, while less extravagant than those of other poets, are more truthful. Contrary to most of Shakespeare's sonnets, Sonnet 21 is not addressed to any one person. There is no second person,