But the more that we self-segregate, and schools become reflections of people's homogeneity, then I think schools themselves become instruments of division.
The contents of the room had a sort of strange cohesion and homogeneity, and they seemed to adhere to the walls like the contents of a half-empty jam jar.
This assumption of homogeneity in the supply of labour is not upset by the obvious fact of great differences in the specialised skill of individual workers and in their suitability for different occupations.