'Law' in the Bible

desiring to be teachers of the law, though they understand neither what they say, nor whereof they confidently affirm.

But we know that the law is good, if a man use it lawfully,

as knowing this, that law is not made for a righteous man, but for the lawless and unruly, for the ungodly and sinners, for the unholy and profane, for murderers of fathers and murderers of mothers, for manslayers,