Institutes of Justinian

A necessary addition to the study of law history. "Compiled from all the Institutes of our ancient jurists, and in particular from the commentaries of our Gaius on both the Institutes and the common cases, and from many other legal works, these Institutes were submitted to us by the three learned men aforesaid, and after reading and examining them we have given them the fullest force of our constitutions."

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Excerpt:

Title II

Of the Law of Nature, the Law of Nations, and the Civil Law

1 The law of nature is that which she has taught all animals; a law not peculiar to the human race, but shared by all living creatures, whether denizens of the air, the dry land, or the sea. Hence comes the union of male and female, which we call marriage; hence the procreation and rearing of children, for this is a law by the knowledge of which we see even the lower animals are distinguished. The civil law of Rome, and the law of all nations, differ from each other thus. The laws of every people governed by statutes and customs are partly peculiar to itself, partly common to all mankind. Those rules which a state enacts for its own members are peculiar to itself, and are called civil law: those rules prescribed by natural reason for all men are observed by all peoples alike, and are called the law of nations. Thus the laws of the Roman people are partly peculiar to itself, partly common to all nations; a distinction of which we shall take notice as occasion offers.

2 Civil law takes its name from the state wherein it binds; for instance, the civil law of Athens, it being quite correct to speak thus of the enactments of Solon or Draco. So too we call the law of the Roman people the civil law of the Romans, or the law of the Quirites; the law, that is to say, which they observe, the Romans being called Quirites after Quirinus. Whenever we speak, however, of civil law, without any qualification, we mean our own; exactly as, when 'the poet' is spoken of, without addition or qualification, the Greeks understand the great Homer, and we understand Vergil. But the law of nations is common to the whole human race; for nations have settled certain things for themselves as occasion and the necessities of human life required. For instance, wars arose, and then followed captivity and slavery, which are contrary to the law of nature; for by the law of nature all men from the beginning were born free. The law of nations again is the source of almost all contracts; for instance, sale, hire, partnership, deposit, loan for consumption, and very many others.

3 Our law is partly written, partly unwritten, as among the Greeks. The written law consists of statutes, plebiscites, senatusconsults, enactments of the Emperors, edicts of the magistrates, and answers of those learned in the law.

4 A statute is an enactment of the Roman people, which it used to make on the motion of a senatorial magistrate, as for instance a consul. A plebiscite is an enactment of the commonalty, such as was made on the motion of one of their own magistrates, as a tribune. The commonalty differs from the people as a species from its genus; for 'the people' includes the whole aggregate of citizens, among them patricians and senators, while the term 'commonalty' embraces only such citizens as are not patricians or senators. After the passing, however, of the statute called the lex Hortensia, plebiscites acquired for the first time the force of statutes.

5 A senatusconsult is a command and ordinance of the senate, for when the Roman people had been so increased that it was difficult to assemble it together for the purpose of enacting statutes, it seemed right that the senate should be consulted instead of the people.

6 Again, what the Emperor determines has the force of a statute, the people having conferred on him all their authority and power by the 'lex regia,' which was passed concerning his office and authority. Consequently, whatever the Emperor settles by rescript, or decides in his judicial capacity, or ordains by edicts, is clearly a statute: and these are what are called constitutions. Some of these of course are personal, and not to be followed as precedents, since this is not the Emperor's will; for a favour bestowed on individual merit, or a penalty inflicted for individual wrongdoing, or relief given without a precedent, do not go beyond the particular person: though others are general, and bind all beyond a doubt.

7 The edicts of the praetors too have no small legal authority, and these we are used to call the 'ius honorarium,' because those who occupy posts of honour in the state, in other words the magistrates, have given authority to this branch of law. The curule aediles also used to issue an edict relating to certain matters, which forms part of the ius honorarium.

8 The answers of those learned in the law are the opinions and views of persons authorized to determine and expound the law; for it was of old provided that certain persons should publicly interpret the laws, who were called jurisconsults, and whom the Emperor privileged to give formal answers. If they were unanimous the judge was forbidden by imperial constitution to depart from their opinion, so great was its authority.

9 The unwritten law is that which usage has approved: for ancient customs, when approved by consent of those who follow them, are like statute.

10 And this division of the civil law into two kinds seems not inappropriate, for it appears to have originated in the institutions of two states, namely Athens and Lacedaemon; it having been usual in the latter to commit to memory what was observed as law, while the Athenians observed only what they had made permanent in written statutes.

11 But the laws of nature, which are observed by all nations alike, are established, as it were, by divine providence, and remain ever fixed and immutable: but the municipal laws of each individual state are subject to frequent change, either by the tacit consent of the people, or by the subsequent enactment of another statute.

12 The whole of the law which we observe relates either to persons, or to things, or to actions. And first let us speak of persons: for it is useless to know the law without knowing the persons for whose sake it was established.