Clearly, Herbert's use of the form is very witty and sophisticated. Also, be sure to read and study the introductory materials in the Norton . The Norton introduction to Jonson's ode stresses the uniformity of the verse form throughout the poem, noting that the turns and counter-turns are all ten lines in length, consisting of rhyming couplets in which the line lengths vary according to a strict pattern. Another tetrameter couplet. Another pentameter couplet.
Enjambment makes for interesting poetry in a number of ways.
Sometimes, the separation of one word or phrase from another by the line break illustrates or dramatizes the separation or distance being discussed in the poem. At other times, enjambment creates a momentary ambiguity with telling implications, where the words in the first line mean one thing when severed from their continuation and another when joined to it. Which alters when it alteration finds. The more awkward or unnatural the breaking-point, the stronger the enjambment. By him . . .