'Law' in the Bible

They are ambitious to be teachers of the Law, although they do not understand either their own words or what the things are about which they make such confident assertions.

Now we know that the Law is good, if a man uses it in the way it should be used,

and remembers that a law is not enacted to control a righteous man, but for the lawless and rebellious, the irreligious and sinful, the godless and profane--for those who strike their fathers or their mothers, for murderers,