at the end of the excerpt, thoreau uses an anology of an acorn and a chestnut to covey his point about human nature. is his an affective way to communicate his message? why? or why not ?

Thoreau uses a metaphor of an acorn and a chestnut to compare to the individual conscience and the State. Thoreau asserts that like an acorn or a chestnut, an individual conscience must “obey their own laws" and must "live according to its nature" or perish.