itnterprets ’ideology’ as a way of political thinking typical of totaliarian movements. To Popper an ideology is an all-encompassing
and closed system of thought.
Not only does such a system have Something to say about virtually all political, social and moral issues,
but it is virtually impossible to disprove because there is always an explanation, within the terms of the ideology, for any apparent
deviation from its predictions. Thus for some (perhaps crude) Marxists the revolution is always ‘imminent’ — but when it fails to
come it is because the revolution was betrayed by its leaders,objective social conditions were misinterpreted, or capitalism found
new outlets for its surpluses.