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 ye please, I care for other none. (E) </poem> In the 17th century, the sonnet was adapted to other purposes, with John Donne and George Herbert writing religious sonnets (see John Donne's "Holy Sonnets"), and John Milton using the sonnet as a general meditative poem. Probably Milton's most famous sonnet is "When I Consider How My Light is Spent", titled by a later editor "On His Blindness". Both the Shakespearean and Petrarchan rhyme schemes were popular throughout this period, as well as many variants. The fashion for the sonnet went out with the Restoration, and hardly any sonnets were written