Henry David Thoreau Quotes

Mathematics should be mixed not only with physics but with ethics.
Henry David Thoreau (1817-1862), U.S. philosopher, author, naturalist. A Week on the Concord and Merrimack Rivers (1849), in The Writings of Henry David Thoreau, vol. 1, p. 387, Houghton Mifflin (1906).
Before printing was discovered, a century was equal to a thousand years.
Henry David Thoreau (1817-1862), U.S. philosopher, author, naturalist. A Week on the Concord and Merrimack Rivers (1849), in The Writings of Henry David Thoreau, vol. 1, p. 60, Houghton Mifflin (1906).
Each structure and institution here was so primitive that you could at once refer it to its source; but our buildings commonly suggest neither their origin nor their purpose.
Henry David Thoreau (1817-1862), U.S. philosopher, author, naturalist. "Chesuncook" (1858) in The Maine Woods (1864), in The Writings of Henry David Thoreau, vol. 3, pp. 139-140, Houghton Mifflin (1906).
I only desire sincere relations with the worthiest of my acquaintance, that they may give me an opportunity once in a year to speak the truth.
Henry David Thoreau (1817-1862), U.S. philosopher, author, naturalist. Journals, entry for Aug. 24, 1851 (1906).
Be not simply good; be good for something.
Henry David Thoreau (1817-1862), U.S. philosopher, author, naturalist. Letter, March 27, 1848, to Harrison Blake, in The Writings of Henry David Thoreau, vol. 6, p. 164, Houghton Mifflin (1906).
Don't spend your time in drilling soldiers, who may turn out hirelings after all, but give to undrilled peasantry a country to fight for.
Henry David Thoreau (1817-1862), U.S. philosopher, author, naturalist. Letter, September 26, 1855, to Harrison Blake, in The Writings of Henry David Thoreau, vol. 6, p. 260, Houghton Mifflin (1906).
Faith, indeed, is all the reform that is needed; it is itself a reform.
Henry David Thoreau (1817-1862), U.S. philosopher, author, naturalist. "Paradise (To Be) Regained" (1843), in The Writings of Henry David Thoreau, vol. 4, p. 300, Houghton Mifflin (1906).
The echo is, to some extent, an original sound, and therein is the magic and charm of it. It is not merely a repetition of what was worth repeating in the bell, but partly the voice of the wood; the same trivial words and notes sung by a wood-nymph.
Henry David Thoreau (1817-1862), U.S. philosopher, author, naturalist. Walden (1854), in The Writings of Henry David Thoreau, vol. 2, pp. 136-137, Houghton Mifflin (1906).
Thaw with his gentle persuasion is more powerful than Thor with his hammer. The one melts, the other but breaks in pieces.
Henry David Thoreau (1817-1862), U.S. philosopher, author, naturalist. Walden (1854), in The Writings of Henry David Thoreau, vol. 2, p. 341, Houghton Mifflin (1906).
What sort of space is that which separates a man from his fellows and makes him solitary?
Henry David Thoreau (1817-1862), U.S. philosopher, author, naturalist. Walden (1854), in The Writings of Henry David Thoreau, vol. 2, p. 147, Houghton Mifflin (1906).