"It is better to be roughly right than precisely wrong" First Edition of Keynes’ A Treatise On Probability

  • A Treatise on Probability.

A Treatise on Probability.


Item Number: 1502

London: MacMillan & Company, 1921.

First edition of “undoubtedly the most important work on probability that has appeared for a very long time” (Bertrand Russell). Octavo, original brown cloth with titles to the spine in gilt. In very good condition with some general wear to the extremities.

In 1999, Time magazine included Keynes in their list of the 100 most important and influential people of the 20th century, commenting that: "His radical idea that governments should spend money they don't have may have saved capitalism." In addition to being an economist, Keynes was also a civil servant, a director of the British Eugenics Society, a director of the Bank of England, a patron of the arts and an art collector, a part of the Bloomsbury Group of intellectuals, an advisor to several charitable trusts, a writer, a philosopher, a private investor, and a farmer.

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