Contracts or laws, whereby the multitude transfers its right to one council or man, should without doubt be broken, when it is expedient for the general welfare to do so. But to decide this point, whether, that is, it be expedient for the general welfare to break them or not, is within the right of no private person, but of him only who holds dominion; therefore of these laws he who holds dominion remains sole interpreter. Moreover, no private person can by right vindicate these laws, and so they do not really bind him who holds dominion. Notwithstanding, if they are of such a nature that they cannot be broken without at the same time weakening the commonwealth's strength, that is, without at the same time changing to indignation the common fear of most of the citizens, by this very fact the commonwealth is dissolved, and the contract comes to an end; and therefore such contract is vindicated not by the civil law, but by the law of war. And so he who holds dominion is not bound to observe the terms of the contract by any other cause than that, which bids a man in the state of Nature to beware of being his own enemy, lest he should destroy himself. III _Of the Best State of a Dominion_[39] We have shown that man is then most independent when he is most led by reason, and, in consequence, that that commonwealth is most powerful and most independent which is founded and guided by reason. But, as the best plan of living, so as to assure to the utmost self-preservation, is that which is framed according to the dictate of reason, therefore it follows that that in every kind is best done, which a man or commonwealth does, so far as he or it is in the highest degree independent. For it is one thing to till a field by right, and another to till it in the best way. One thing, I say, to defend or preserve oneself, and to pass judgment by right, and another to defend or preserve oneself in the best way, and to pass the best judgment; and, consequently, it is one thing to have dominion and care of affairs of state by right, and another to exercise dominion and direct affairs of state in the best way. And so, as we have treated of the right of every commonwealth in general, it is time to treat of the best state of every dominion.