 It is a continuation of the argument from Sonnet 50.According to the Norton Anthology, sonnet 51 is considered part of the "long sequence" (18-126) and focuses on the young man who Shakespeare wrote about in the preceding group of sonnets namely the first 17 sonnets known as the procreation sonnets.This poem focuses on a young man fighting time to return to his lover, and includes description of haste and timeliness.