“…For example, on the issue of bias and moral judgment, Matthew O'Donnell noted the propensity for revolutions to be condemned by many persons in their midst, a propensity which largely disappeared as regards ‘successful’ revolutions centuries later (O'Donnell : 3). Revolutions also tend to catch most of us by surprise as was the case with the 1989 revolutions (Pop : 347) and the Arab Spring more recently. Such unpredictability can sharpen attempts to create theories of revolution.…”