You can hardly convince a man of an error in a lifetime, but must content yourself with the reflection that the progress of science is slow. If he is… - Henry David Thoreau

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Engraved portrait of Henry David Thoreau

You can hardly convince a man of an error in a lifetime, but must content yourself with the reflection that the progress of science is slow. If he is not convinced, his grandchildren may be.

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About Henry David Thoreau

Henry David Thoreau (12 July 1817 – 6 May 1862) was an American essayist, poet, philosopher, abolitionist, naturalist, tax resister, development critic, surveyor, and historian. A leading transcendentalist, Thoreau is best known for his book Walden, a reflection upon simple living in natural surroundings, and his essay Resistance to Civil Government (also known as Civil Disobedience), an argument for disobedience to an unjust state.

Biography information from Wikiquote · Portrait adapted from Wikimedia Commons, B. D. Maxham (Public domain / CC0)

Also Known As

Birth Name: David Henry Thoreau
Alternative Names: Thoreau Henry D. Thoreau Henry Thoreau

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"Confucius said, "To know that we know what we know, and that we do not know what we do not know, that is true knowledge.

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