Your chosen commands support the theme of Utopia versus Dystopia. There is a thin line between a utopia and dystopia world portrayed in the novel. While the worst fear of human kind, death, has been defeated and humans became immortal, there is still an issue of over popularization, which is solved by human death-bringers, the scythe. While people have everything they desire for, and all the time of the world to achieve what they want, they have to live with the fact that there are people out there who are lawfully allowed to kill them whenever they want, however they want. Death has been defeated, but death is necessary for life, and the scythe are there to artificially balance out, what nature did before them. There is an important discussion presented in the novel about the meaning of life, and how the meaning lessens with the fear of mortality gone, described as people growing stagnant, how the interest to achieve anything is gone once everything is easily achievable. The novel's main theme is raising the question of utopia, and if the completely perfect world is even possible, which the novel's plot argues against.
