“Hay tres clases de mentiras: las mentiras, las malditas mentiras y las estadísticas.”
Sin fuentes
Citas atribuidas
Original
There are three kinds of lies: lies, damned lies, and statistics.
Often attributed to Twain, but he said it was attributed to Benjamin Disraeli and this itself is probably a misattribution: see Lies, damned lies, and statistics and Leonard H. Courtney. Twain did, however, popularize this saying in the United States. His attribution is in the following passage from Twain's Autobiography (1924), Vol. I, p. 246 (apparently written in Florence in 1904) http://www.york.ac.uk/depts/maths/histstat/lies.htm:
Figures often beguile me, particularly when I have the arranging of them myself; in which case the remark attributed to Disraeli would often apply with justice and force: "There are three kinds of lies: lies, damned lies, and statistics".
Misattributed
Mark Twain 120
escritor estadounidense 1835–1910Citas similares

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“Todo es mentira en este mundo, Todo es mentira… ¿Por qué será?”
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Versos de canciones

“La mentira no es mentira, es la verdad.”
Sin fuentes

“Actuar es como mentir. El arte de mentir bien. Me pagan para contar mentiras elaboradas.”