In "A Fine and Private Place," the character Jonathan is told to let go of his worries and return to slumber. This advice suggests that sometimes it's better to disengage from thoughts that trouble us, particularly when they lead to existential concerns. The speaker emphasizes the importance of peace over struggling with life's complexities.
The warning about immortality implies that living forever might not be as desirable as it seems. Instead of glory, it might bring burdens and a lack of purpose. The quote evokes a sense of caution regarding the human desire for eternity, reminding readers to cherish life as it is, rather than yearning for an endless existence.