“Sociologists who have stopped the time-machine and, with a good deal of conceptual huffing and puffing, have gone down to the engine room to look, tell us that nowhere at all have they been able to locate and classify a class. They can only find a multitude of people with different occupations, incomes, status-hierarchies, and the rest. Of course they are right, since class is not this or that part of the machine, but the way the machine works once it is set in motion – not this and that interest, but the friction of interests – the movement itself, the heat, the thundering noise. Class is a social and cultural formation (often finding institutional expression) which cannot be defined abstractly, or in isolation, but only in terms of relationship with other classes; and, ultimately, the definition can only be made in the medium of time – that is, action and reaction, change and conflict.When we speak of a class we are thinking of a very loosely defined body of people who share the same congeries of interests, social experiences, traditions and value-system, who have a disposition to behave as a class, to define themselves in their actions and in their consciousness in relation to other groups of people in class ways. But class itself is not a thing, it is a happening.”

– E P Thompson