In investing and improving, they would add to the capital stock: “In all countries where there is a tolerable security [of property], every man of common understanding will endeavor to employ whatever [capital] stock he can command, in procuring either present enjoyment or future profit... A man must be perfectly crazy, who, where there is a tolerable security, does not employ all the stock which he commands, whether it be his own, or borrowed of other people...”
如果这些基本制度是公正的，那么地主，商人和企业主就会进行投资和改进工作。在投资和改进的过程中，他们会扩大资本：“在所有有适当的〔财产〕安全的国家，每一个具有一般常识的人都会努力使用他可以支配的任何〔资本〕资金来获取当前的享受或者是将来的利润···一个人如果在有适当的财产安全的情况下不使用他可以支配的资金，不管资金是他自己的还是从别人那里借来的，他肯定是非常懒惰的···”