USC has Justinian beat by a long shot.
What, does it simply say “Don’t be an asshole and we’re cool.”?
US Congress, right? The ones who counted over 300000 laws on the books and then gave up? All you have to do is fit 50 laws per page; easily doable!
No, he means U.S.C.: The United States Code, which is pretty much an attempt to codify all the important statutes into a single codex. Its length though pretty much precludes reading it cover-to-cover with any degree of comprehension.