The desire to obtain a confession was the basis of the tortures of the Inquisition. In Old China, torture of suspected persons was habitual, because a humanitarian Emperor had decreed that no man should be condemned except on his own confession. For the taming of the power of the police, one essential is that a confession shall never, in any circumstances, be accepted as evidence.
Source: Power, a new social analysis, 1938, chap. 18: The Taming Powe
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