Dungeons & Dragons
Alignment descriptions are from Reddit user Romnonaldao.
Lawful neutral characters believe that the world is hanging by a thread, and that thread is Law. People come and go, wars rage, and peace may appear, but the the Law is forever. Its what keeps the world from burning in fiery anarchy. To threaten the law, even for what may seem a good reason, is unthinkable.
Example: Captain Jean Luc Picard