All Points

As long as one does not call his own position into question but regards it as absolute, while interpreting his opponents' ideas as a mere function of the social positions they occupy, the decisive step forward has not yet been taken ... the general form of the total conception of ideology is being used by the analyst when he has the courage to subject not just the adversary's point of view but all points of view, including his own, to the ideological analysis.

-- Karl Mannheim (1893 - 1947), Hungarian-born social philosopher and sociologist, Ideology and Utopia (1929), as translated by Louis Wirth and Edward Shils (1936)