One example of cyclicality that continues to today is the practice of law. The basic principles of Roman private law and the complaints that people made about lawyers and litigation were remarkably similar in the 300s to what they are today.
In the 6th century Justinian the Great sponsored a compilation of the body of law which was being widely practiced in the Roman Empire at the time, what is now known as the Corpus Juris Civilis. This is not an abstract or obscure point in the history of modern law:
The present name of Justinian’s codification was only adopted in the 16th century, when it was printed in 1583 by Dionysius Gothofredus under the title “Corpus Juris Civilis”. The legal thinking behind the Corpus Juris Civilis served as the backbone of the single largest law reform of the modern age, the Napoleonic Code, which marked the abolition of feudalism.
Imagine that the astronomical models of Ptolemy served as a basis for modern astrophysics! There’s only a vague family resemblance in this case. The difference is that law is fundamentally a regulation of human interaction, and the broad outlines of human nature remain the same as they ...