[22] For Proudhon the principle of association invoked by most schools (he means the various Socialist schools), "a principle essentially sterile, is neither an industrial force nor an economic law ... it supposes government and obedience, two terms excluded by the Revolution." (Idée Générale de la Révolution au XIX Siècle, 2 ed., Paris 1851, p. 173).
[23] "Idée Générale de la Revolution." Paris, 1851, pp. 124-127.
[24] "Idée Générale," pp. 298-299.
[25] "Idée Générale," p. 304.
[26] Ibid. p. 324.
[27] Ibid. p. 328.
[28] It was thus that Proudhon understood the determining of value by labour. He could never understand a Ricardo.
[29] "Idée Générale," p. 268.
[30] See his book, "Du Principe Fédératif."
[31] Socialism: Utopian and Scientific. By F. Engels. Translated by Edward Aveling. Pp. 75-77.