Social reformer — Naturalist — Philosopher — Transcendentalist — Scientist. These are just some of the terms by which the work of Henry David Thoreau can be categorized. There is an old joke among Thoreauvians that most people know Thoreau as the man who spent half his life at Walden Pond and the other half in jail, but the reason that his brief time at Walden and his one night in jail have become such defining moments in his life can be summed up under one term: Writer.
As a social reformer whose words echo the principles on which the United States was founded — that it is a person’s duty to resist injustice where it is found — Thoreau’s writings influenced Gandhi's work in India, Tolstoy’s philosophy in Russia, and King's civil rights stand in the United States. Wherever in the world individuals and groups embrace human rights over political rights, they invoke the name of Henry David Thoreau and the words of his essay, "Civil Disobedience": "Can there not be a government in which the majorities do not virtually decide right and wrong, but conscience? . . . Must the citizen ever for a moment, or in the least degree, resign his conscience to the legislator? Why has every man a conscience, then?"
As a naturalist, Thoreau understood that the path to a greater understanding of our life on earth is through an understanding of the natural world around us and of which we are part: “We can never have enough of nature. We must be refreshed by the sight of inexhaustible vigor, vast and Titanic features, the sea-coast with its wrecks, the wilderness with its living and its decaying trees, the thunder cloud, and the rain which lasts three weeks and produces freshets. We need to witness our own limits transgressed, and some life pasturing freely where we never wander." — "I suppose that what in other men is religion is in me love of nature."
As a philosopher and Transcendentalist, Thoreau found a pantheistic sense of spirit and God: "I do not prefer one religion or philosophy to another. I have no sympathy with the bigotry and ignorance which make transient and partial and puerile distinctions between one man’s faith or form of faith & another’s . . . To the philosopher all sects, all nations, are alike. I like Brahma, Hari, Buddha, the Great Spirit, as well as God." As a scientist, Thoreau embraced the controversial work of Darwin, and developed theories of forest succession at the same time one of Harvard’s leading naturalists, Louis Agassiz, was still touting the spontaneous generation of plants. Thoreau was able to praise the scientific method — "Science is always brave, for to know, is to know good; doubt and danger quail before her eye.” — while accepting its limitations: “With all your science can you tell how it is — & whence it is, that light comes into the soul?"
As a writer, Thoreau was one of the most powerful and influential writers America has produced. His prose style was unequaled. And although only a small part of his work was published in his short lifetime, he was a prolific writer whose works filled twenty volumes when collected in 1906. The publication of his journal of over two million words in 1906, the first time an American author had his journal published in full, showed the recognition afforded him by his publisher, Houghton Mifflin.
When Thoreau died, Ralph Waldo Emerson wrote: "The country knows not yet, or in the least part, how great a son it has lost. . . . His soul was made for the noblest society; he had in a short life exhausted the capabilities of this world; wherever there is knowledge, wherever there is virtue, wherever there is beauty, he will find a home."
Benjamin D. Maxham daguerreotype of Thoreau, 18 June 1856 (From The Writings of Henry David Thoreau, 1906)
I am astonished at the singular pertinacity and endurance of our lives. The miracle is, that what is is, when it is so difficult, if not impossible, for anything else to be. — A Week on the Concord and Merrimack Rivers