On the Book of Mormon, Roughing It (published 1872), pp. 58-59
Roughing It (1872)
Mark Twain: Trending quotes (page 12)
Mark Twain trending quotes. Read the latest quotes in collection“A circle is a round straight line with a hole in the middle.”
Quoting a schoolchild in "English as She Is Taught"
Source: The Adventures of Tom Sawyer (1876), Ch. 2
"Taming the Bicycle" (1917)
In revised edition, chapter 78, p. 401, The Autobiography of Mark Twain, 1959, Charles Neider, Harper & Row
Mark Twain's Autobiography (1924)
On the Decay of the Art of Lying http://www.gutenberg.org/cache/epub/2572/pg2572.html
Concerning the Jews (Harper's Magazine, Sept. 1899)
Concerning the Jews (Harper's Magazine, Sept. 1899)
“We believe that out of the public school grows the greatness of a nation.”
Address at a meeting of the Berkeley Lyceum, New York, November 23, 1900. Quoted in Mark Twain's Speeches (1910), ed. William Dean Howells, p. 146 http://books.google.com/books?id=7etXZ5Q17ngC&pg=PA146 (The speech is titled "Public Education Association" in that book, but also referred to elsewhere as his "I am a Boxer" speech.)
“Be careful about reading health books. You may die of a misprint.”
Attributed to Markus Herz by Ernst von Feuchtersleben, Zur Diätetik der Seele (1841), p. 95 http://books.google.com/books?id=FLc6AAAAcAAJ&pg=PA95&dq=%22Lieber+Freund+Sie+werden+noch+einmal+an+einem+Druckfehler+sterben%22. First attributed to Twain in 1980s, as in The 637 best things anybody ever said, (1982), Robert Byrne, Atheneum. See talk page for more info.
Misattributed
Variant: Be careful about reading health books. You may die of a misprint.
Actual source: A letter to The Economist (16 January 1971), written by one M.J. Shields (or M.J. Yilz, by the end of the letter). The letter is quoted in full in one of Willard Espy's Words at Play books. This was a modified version of a piece "Meihem in ce Klasrum", published in the September 1946 issue of Astounding Science Fiction magazine. http://www.spellingsociety.org/journals/j31/satires.php
Misattributed
Letter https://books.google.it/books?id=-rgnCgAAQBAJ&pg=PT370 to Sidney G. Trist, Editor of the Animals' Friend Magazine, in his capacity as Secretary of the London Anti-Vivisection Society (26 May 1899), in Mark Twain's Notebooks, ed. Carlo De Vito (Black Dog & Leventhal, 2015)
Ch. 13 http://www.literature.org/authors/twain-mark/connecticut/chapter-13.html
A Connecticut Yankee in King Arthur's Court (1889)
"The Danger of Lying in Bed" (1871)
“Honesty is the best policy — when there is money in it.”
Speech to Eastman College (1901)
Source: Autobiography of Mark Twain, Vol. 3 (2015), pp. 57–58
“He was ignorant of the commonest accomplishments of youth. He could not even lie.”
"Brief Biographical Sketch of George Washington", The Celebrated Jumping Frog of Calaveras County, and Other Sketches http://books.google.com/books?id=kqMDAAAAQAAJ (1867), ed. John Paul
Cited by: William E. Phipps, Mark Twain's Religion https://books.google.nl/books?id=y8e2zLpDngQC&pg=PA18&dq=%22+He+was+ignorant+of+the+commonest+accomplishments+of+youth.+He+could+not+even+lie%22&hl=nl&sa=X&ved=0ahUKEwjVpM31tsbMAhXFshQKHZ32Ci0Q6AEIJTAB#v=onepage&q=%22%20He%20was%20ignorant%20of%20the%20commonest%20accomplishments%20of%20youth.%20He%20could%20not%20even%20lie%22&f=false, Mercer University Press, 2003, p. 18
Richard Locke, Critical Children: The Use of Childhood in Ten Great Novels https://books.google.nl/books?id=38erAgAAQBAJ&pg=PA12&dq=%22+He+was+ignorant+of+the+commonest+accomplishments+of+youth.+He+could+not+even+lie%22&hl=nl&sa=X&ved=0ahUKEwjVpM31tsbMAhXFshQKHZ32Ci0Q6AEIPTAE#v=onepage&q=%22%20He%20was%20ignorant%20of%20the%20commonest%20accomplishments%20of%20youth.%20He%20could%20not%20even%20lie%22&f=false, Columbia University Press, p. 12