There are three kinds of lies: lies, damned lies, and statistics.
Attributed to Benjamin Disraeli by Mark Twain in "Chapters from My Autobiography — XX", North American Review No. DCXVIII (JULY 5, 1907) [1]. His attribution is unverified and the origin is uncertain: see Lies, damned lies, and statistics and Leonard H. Courtney. Other authors to whom the quote has been attributed, as reported in Respectfully Quoted: A Dictionary of Quotations (1989), include Henry Labouchère, Abram S. Hewitt, and Holloway H. Frost.