'Law of the Lord' in the Bible

Therefore as the fire devoureth the stubble, and the flame consumeth the chaff, so their root shall be as rottenness, and their blossom shall go up as dust: because they have cast away the law of the LORD of hosts, and despised the word of the Holy One of Israel.

That this is a rebellious people, lying children, children that will not hear the law of the LORD: