"Walden, and On The Duty of Civil Disobedience" is a seminal work by the American transcendentalist writer Henry David Thoreau, first published in 1854. It is a reflection on simple living in natural surroundings and an essay on the necessity of nonviolent resistance to unjust laws.

"Walden" is primarily a personal narrative that describes Thoreau's experiment in living a simple and deliberate life in a cabin he built near Walden Pond, located in Concord, Massachusetts. Thoreau spent two years, two months, and two days at Walden Pond, seeking to live deliberately and to strip away the unnecessary complexities of modern life. He explores themes of self-reliance, solitude, the beauty of nature, and the pursuit of spiritual truth.

Thoreau details his daily routines, observations of nature, and philosophical musings on topics ranging from economy and work to society and the individual. Through vivid descriptions of the changing seasons and the wildlife around him, Thoreau emphasizes the importance of a deep connection to the natural world and the spiritual renewal it offers.

"On the Duty of Civil Disobedience," often referred to simply as "Civil Disobedience," is an essay that was originally published separately in 1849. In it, Thoreau argues that individuals have a moral responsibility to resist unjust laws and government actions through nonviolent means, even if it means disobeying those laws and accepting the consequences. Thoreau's essay influenced later figures such as Mahatma Gandhi and Martin Luther King Jr. in their struggles for social justice.

Together, "Walden" and "Civil Disobedience" encapsulate Thoreau's philosophy of individualism, self-reliance, and resistance to unjust authority. Through his prose, Thoreau encourages readers to question societal norms, to live deliberately and authentically, and to engage in acts of conscience to bring about positive change in the world.