The incommensurability between the modern economic system and the people who staff it explains why modern workers have so often been depicted as 'cogs' in the larger 'machinery' of industrial civilization; for while the practical rationalization of enterprise does require workers to be consistent, predictable, precise, uniform, and even to a certain extent creative, it does not really require them to be persons, that is, to live examined lives, to grow, to develop character, to search for truth, to know themselves, etc.