The work of domestic progress is done by masses of mechanical power — steam, electric, furnace, or other — which have to be controlled by a score or two of individuals who have shown capacity to manage it.

国内进步的工作是由大量的机械能——蒸汽、电、熔炉或其他——来完成的，这些机械能必须由一两个显示出管理能力的人来控制。