On the Life of the Wise Man made perfect by Instruction or, on the Unwritten Law, that is to say, on Abraham (1-5)

But since of these things some are portions of the world, and some are accidents, and since the world is the most perfect and complete of all things, he has nominally assigned the whole book to that subject. We have then examined with all the accuracy that was in our power, in what manner the creation of the world was arranged in our previous treatises;

but since it is necessary, to be consistent with the regular order in which the sacred history proceeds to go on, now to investigate the laws, we will for the present postpone the particular laws which are copies as it were; and first of all examine the more general laws which are, as it were, the models of the others.

Now these are those men who have lived irreproachably and admirably, whose virtues are durably and permanently recorded, as on pillars in the sacred scriptures, not merely with the object of praising the men themselves, but also for the sake of exhorting those who read their history, and of leading them on to emulate their conduct;

for these men have been living and rational laws; and the lawgiver has magnified them for two reasons; first, because he was desirous to show that the injunctions which are thus given are not inconsistent with nature; and, secondly, that he might prove that it is not very difficult or laborious for those who wish to live according to the laws established in these books, since the earliest men easily and spontaneously obeyed the unwritten principle of legislation before any one of the particular laws were written down at all. So that a man may very properly say, that the written laws are nothing more than a memorial of the life of the ancients, tracing back in an antiquarian spirit, the actions and reasonings which they adopted;