6. Bayes Rule. p. 91.
Understanding Uncertainty (2006)
“If you can’t reduce a difficult engineering problem to just one 8-1/2 x 11-inch sheet of paper, you will probably never understand it.”
as quoted by [John Dunnicliff and Nancy Peck Young, Ralph B. Peck, Educator and Engineer - The Essence of the Man, BiTech Publishers Ltd, Vancouver, 2007, 0-921095-63-5, 114]
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Ralph Brazelton Peck 4
American civil engineer 1912–2008Related quotes

Source: History of Mathematics (1925) Vol.2, p.461

“You need only a sheet of paper and so mathematics starts.”
Interview of Guido Beck http://www.aip.org/history/ohilist/4500.html by John Heilbron on April 22, 1967, Niels Bohr Library & Archives, American Institute of Physics, College Park, MD USA

Melena Ryzik, "Acting Tips From Mrs. Wolf of Wall Street (Hint: Get a Flask)" https://carpetbagger.blogs.nytimes.com/2013/12/31/acting-tips-from-mrs-wolf-of-wall-street-hint-get-a-flask/?_r=0, The New York Times, (December 31, 2013).
“11: If you have a procedure with 10 parameters, you probably missed some.”
Epigrams on Programming, 1982

Discussing the result of an experiment where about 1 out of 8000 alpha particles were scattered backwards when fired at a thin sheet of metal foil, which led to the discovery of the atomic nucleus, as quoted in Rutherford and the Nature of the Atom (1964) by E. N. da C. Andrade, p. 111, and in Nobel Laureates in chemistry, 1901-1992 http://books.google.com/books?id=jEy67gEvIuMC&lpg=PP1&pg=PA57#v=onepage&q&f=false by Laylin K. James, p. 57
Context: It was quite the most incredible event that has ever happened to me in my life. It was almost as incredible as if you fired a 15-inch shell at a piece of tissue paper and it came back and hit you.