HOW TO CHECK THE USURPATIONS OF GOVERNMENT  
What we have just said confirms Chapter XVI, and makes it clear that the institution of government is not a contract, but a law; that the depositaries of the executive power are not the people's masters, but its officers; that it can set them up and pull them down when it likes; that for them there is no question of contract, but of obedience; and that in taking charge of the functions the State imposes on them they are doing no more than fulfilling their duty as citizens, without having the remotest right to argue about the conditions.
When therefore the people sets up an hereditary government, whether it be monarchical and confined to one family, or aristocratic and confined to a class, what it enters into is not an undertaking; the administration is given a provisional form, until the people chooses to order it otherwise.
It is true that such changes are always dangerous, and that the established government should never be touched except when it comes to be incompatible with the public good; but the circumspection this involves is a maxim of policy and not a rule of right, and the State is no more bound to leave civil authority in the hands of its rulers than military authority in the hands of its generals.
It is also true that it is impossible to be too careful to observe, in such cases, all the formalities necessary to distinguish a regular and legitimate act from a seditious tumult, and the will of a whole people from the clamour of a faction. Here above all no further concession should be made to the untoward possibility than cannot, in the strictest logic, be refused it. From this obligation the prince derives a great advantage in preserving his power despite the people, without it being possible to say he has usurped it; for, seeming to avail himself only of his rights, he finds it very easy to extend them, and to prevent, under the pretext of keeping the peace, assemblies that are destined to the re-establishment of order; with the result that he takes............