It should use its powers only to carry out moral and ethical activities on behalf of the citizens.
In 1838, he returned to teaching but by the early 1840's had decided to pursue writing as a career and began turning out essays and poetry.
His most famous work is Walden; or Life in the Woods (1854), which recounts his experiences living alone in a cabin he built at Walden Pond near Concord.
Civil Disobedience" expresses Thoreaus reaction and measured response to government dictums that legitimized slavery and the Mexican War.
Transcendentalism, as Thoreaus moral philosophy was called, did not originate with him or his fellow transcendentalists in New England but with the German philosopher Emanuel Kant.