We nod approvingly today when someone tells us that, whereas the State used to be merely policeman, judge and protector, it has now become schoolmaster, doctor, house-builder, road-maker, town-planner, public utility supplier and all the rest of it. The contrast is no recent discovery. De Tocqueville observed in 1866 that the State ‘everywhere interferes more than it did; it regulates more undertakings, and undertakings of a lesser kind; and it gains a firmer footing every day, about, around and above all private persons, to assist, to advise, and to coerce them’ (Oeuvres, III, 501). Nassau William Senior, a Benthamite ten years older than Chadwick, a colleague of his on the original Poor Law Commission, had justified this tendency. A government, he thinks, must do whatever conduces to the welfare of the governed (the utilitarian theory); it will make mistakes, but non-interference may be an error too; one can be passively wrong as well as actively wrong. […]