Accordingly we may observe, that this right both arises and perishes in an instant; and that a man entirely acquires the property of any object by occupation, or the consent of the proprietor; and loses it by his own consent; without any of that insensible gradation, which is remarkable in other qualities and relations, Since, therefore, this is die case with regard to property, and rights, and obligations, I ask, how it stands with regard to justice and injustice?