This is what rhyme does. In a couplet, the first rhyme is like a question to which the second rhyme is an answer. The first rhyme leaves something in the air, some unanswered business. In most quatrains, space is created between the rhyme that poses the question and the rhyme that gives the answer - it is like a pleasure deferred.

The Italian word 'stanza' means 'a room', and a room is a good way to conceive of a stanza. A room, generally speaking, is sufficient for its own purposes, but it does not constitute a house. A stanza has the same sense of containment, without being complete or independent.

No poet is required to write in stanzas, or indeed in regular forms at all. Coleridge's 'Dejection: An Ode' has a rhyme scheme and sequence of long and short lines that goes without regular pattern, following the mood and whim of the poet. Such a form is known as an irregular ode.

James Fenton Quotes