 He argues that these sonnets should be grouped together because they are the only ones to refer to the subject of the poem in the third person rather than second person.Sonnet 64 is very similar to Shakespeare's Sonnet 60 where both sonnets focus on a central idolizing of "time as the destroyer".In Helen Vendler's, "The Art of Shakespeare's Sonnets", Vendler describes Sonnet 64 to be written in a state of horror and "unprotected vulnerability".