funds is to expend them in objects which subserve the common good, and there are many directions in which public expenditure does in fact benefit all classes alike. This, it is worth noting, is true even of some important branches of expenditure which in their direct aim concern the poorer classes. Consider, for example, the value of public sanitation, not merely to the poorer regions which would suffer first if it were withheld, but to the richer as well who, seclude themselves as they may, cannot escape infection. In the old days judge and jury, as well as prisoners, would die of gaol fever. Consider, again, the economic value of education, not only to the worker, but to the employer whom he will serve. But when all this is allowed for it must be admitted that we have throughout contemplated a considerable measure of public expenditure in the elimination of poverty. The prime justification of this expenditure is that the prevention of suffering from the actual lack of adequate physical comforts is an essential element in the common good, an object in which all are bound to concern themselves, which all have the right to demand and the duty to fulfil. Any com-
