The law is a key component of the Department of Law. If you don't learn not study it can assemble the legal profession. But if you study the history of law. It will deepen the understanding of the law was made to understand the evolution of the law and spirit of the law even better. Made aware of the rules of law, Made aware in mind the spirit and scope of the legislation. Who studied law, history would know the intention of the law and The scope of the law as well.
Knowing the purpose and scope of the legislation. Making it possible to apply the law correctly. In particular interpretation of the law of value contrary to the intention of the law.
We need to hold the intention of the law is important. Moreover, the definition of the law as written.