Page:Treatise of Human Nature (1888).djvu/571

547 character; and as that pleasure or pain cannot be unknown to the person who feels it, it follows, that there is just so much vice or virtue in any character, as every one places in it, and that 'tis impossible in this particular we can ever be mistaken. And tho' our judgments conceding the origin of any vice or virtue, be not so certain as those concerning their degrees; yet, since the question in this case regards not any philosophical origin of an obligation, but a plain matter of fact, 'tis not easily conceiv'd how we can fall into an error. A man, who acknowledges himself to be bound to another, for a certain sum, must certainly know whether it be by his own bond, or that of his father; whether it be of his mere goodwill, or for money lent him; and under what conditions, and for what purposes he has bound himself. In like manner, it being certain, that there is a moral obligation to submit to government, because every one thinks so; it must be as certain, that this obligation arises not from a promise; since no one, whose judgment has not been led astray by too strict adherence to a system of philosophy, has ever yet dreamt of ascribing it to that origin. Neither magistrates nor subjects have form'd this idea of our civil duties.

We find, that magistrates are so far from deriving their authority, and the obligation to obedience in their subjects, from the foundation of a promise or original contract, that they conceal, as far as possible, from their people, especially from the vulgar, that they have their origin from thence. Were this the sanction of government, our rulers wou'd never receive it tacitly, which is the utmost that can be pretended; since what is given tacitly and insensibly can never have such influence on mankind, as what is perform'd expressly and openly. A tacit promise is, where the will is signified by