Management, in any continuously successful plant, is not related to single workers but always to working groups. In every department that continues to operate, the workers have whether aware of it or not formed themselves into a group with appropriate customs, duties, routines, even rituals ; and management succeeds (or fails) in proportion as it is accepted without reservation by the group as authority and leader.

p. 81-82 - The Social Problems of an Industrial Civilisation, 1945