To love that well which thou must leave ere long.” “This thou perceiv’st, which makes thy love more strong, In Sonnet 73, Shakespeare closes with this couplet: This couplet is used to demonstrate the message that the author means to portray in his poem. He sums up the poem with a concluding heroic couplet. In this particular sonnet, Shakespeare compares the human body to the fading seasons, the departing day and a vanishing fire. Even though there are many restrictions upon Shakespeare’s poetic form he is able to creatively convey his ideas using the colorful vocabulary and imagery for which he was famous. Shakespeare’s Sonnet 73 stays true to this common meter and rhyme scheme. Moreover, all of Shakespeare’s sonnets are written in iambic pentameter, which further prevents deviation from form. This is especially true in the rhyme scheme for Shakespearean sonnets.
However, sonnets, more so than many other types of poetry, is often heavily bound to its restrictions. Form is something that is heavily played with in various types of poetry.