（...）可见，劳动报酬优裕，乃国富增进的必然结果，同时又是国富增进的自然征候。反之，贫穷劳动者生活维持费的缺乏，是社会停滞于静止状态的征候；劳动者不免饥饿而死，就是社会急速退步的征候。（...）
The liberal reward of labour, therefore, as it is the necessary effect, so it is the natural symptom of increasing national wealth. The scanty maintenance of the labouring poor, on the other hand, is the natural symptom that things are at a stand, and their starving condition, that they are going fast backwards.
——"AN INQUIRY INTO THE NATURE AND CAUSES OF THE WEALTH OF NATIONS", By Adam Smith.
