“In short, herein seems to lie the difference between idiots and madmen, that madmen put wrong ideas together, and so make wrong propositions, but argue and reason right from them: but idiots make very few or no propositions, and reason scarce at all.” IdeasReasonSeemsTogetherLyingDifferencesArguingIdiotPropositionsMadmenScarceWrong Ideas Book:An essay concerning human understanding ... The twentieth edition, etc Source: An essay concerning human understanding ... The twentieth edition, etc