[193] And then, too, do not those facts which are diffused over nearly the whole world, and which have caused both to Greeks and barbarians such erroneous judgments, exhort us not to be too ready in giving our credence to what is not seen? And what are these facts? Surely they are the instructions which we have received from our childhood, and our national customs and ancient laws, of which it is admitted that there is not a single one which is of equal force among all people; but it is notorious that they vary according to the different countries, and nations, and cities, aye, and even still more, in every village and private house, and even with respect to men, and women, and infant children, in almost every point.