Book I, Chapter II

First, therefore, we must see what is it that is called Temporal Monarchy, in its idea, so to speak, and according to its purpose. Temporal Monarchy, then, or, as men call it, the Empire, is the government of one prince above all men in time, or in those things and over those things which are measured by time. Three great questions are asked concerning it. First, there is the doubt and the question, is it necessary for the welfare of the world? Secondly, did the Roman people take to itself by right the office of Monarchy? And thirdly, does the authority of Monarchy come from God directly, or only from some other minister or vicar of God?

Now, since every truth, which is not itself a first principle, becomes manifest from the truth of some first principle, it is therefore necessary in every inquiry to have a knowledge of the first principle involved, to which by analysis we may go back for the certainty of all the propositions which are afterwards accepted. And since this treatise is an inquiry, we must begin by examining the first principle on the strength of which deductions are to rest. It must be understood then that there are certain things which, since they are not subject to our power, are matters of speculation, but not of action: such are Mathematics and Physics, and things divine. But there are some things which, since they are subject to our power, are matters of action as well as of speculation, and in them we do not act for the sake of speculation, but contrariwise: for in such things action is the end. Now, since the matter which we have in hand has to do with states, nay, with the very origin and principle of good forms of government, and since all that concerns states is subject to our power, it is manifest that our subject is not in the first place speculation, but action. And again, since in matters of action the end sought is the first principle and cause of all (for that it is which first moves the agent to act), it follows that all our method concerning the means which are set to gain the end must be taken from the end. For there will be one way of cutting wood to build a house, and another to build a ship. That therefore, if it exists, which is the ultimate end for the universal civil order of mankind, will be the first principle from which all the truth of our future deductions will be sufficiently manifest. But it is folly to think that there is an end for this and for that particular civil order, and yet not one end for all.