-- Kurt Lewin, "Field Theory in Social Science," Harper & Row, 1951
-- Donald E. Knuth, "Notes on the van Emde Boas construction of priority deques: An instructive use of recursion" (five-page memo sent to Peter van Emde Boas, Robert Tarjan, and John Hopcroft), March 22, 1977
There is no art which one government sooner learns from another than that of draining money from the pockets of the people.
-- Adam Smith, "An Inquiry into the Nature and Causes of the Wealth of Nations" (1776)
The reasonable man adapts himself to the world; the unreasonable man persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.
-- George Bernard Shaw, Man and Superman (1903), "Maxims for Revolutionists"
I never guess. It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.
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