"The History of Freedom in Antiquity". Lord Acton's opening statement of his speech on February 28, 1877; later quoted in "The History of Freedom and Other Essays" edited by John Neville Figgis and Reginald Vere Laurence, 1907.
Aldous Huxley (1937). “Ends and Means: An Inquiry Into the Nature of Ideals and Into the Methods Employed for Their Realization”, p.358, Transaction Publishers