In order to be transmuted into knowledge, every perception is and must be ordered and organized into categories. The extent, however, to which we can… - Karl Mannheim

Every bureaucracy, therefore, in accord with the peculiar emphasis on its own position, tends to generalize its own experience and to overlook the fact that the realm of administration and of smoothly functioning order represents only a part of the total political reality. Bureaucratic thought does not deny the possibility of the science of politics, but regards it as identical with the science of administration. Thus irrational factors are overlooked, and when these nevertheless force themselves to the fore, they are treated as "routine matters of state."

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.
At the present stage of our understanding it is hardly possible to avoid this general formulation of the total conception of ideology, according to which the thought of all parties in all epochs is of an ideological character.

At this point in history when all things which concern man and the structure and elements of history itself are suddenly revealed to us in a new light, it behooves us in our scientific thinking to become masters of the situation, for it is not inconceivable that sooner than we suspect, as has often been the case before in history, this vision may disappear, the opportunity may be lost, and the world will once again present a static, uniform, and inflexible countenance.