'Law of Moses' in the Bible

Then he said to them, "When I was still with you, this is what I told you, that whatever is written about me in the law of Moses and the prophets and the psalms must be fulfilled."

Well, if a man gets circumcised upon the sabbath, to avoid breaking the Law of Moses, are you enraged at me for curing, not cutting, the entire body of a man upon the sabbath?

and that by him everyone who believes is absolved from all that the law of Moses never could absolve you from.

But some of the believers who belonged to the Pharisaic party got up and said, "Gentiles must be circumcised and told to observe the law of Moses."

So they fixed a day and came to him at his quarters in large numbers. From morning to evening he explained the Reign of God to them from personal testimony, and tried to convince them about Jesus from the law of Moses and the prophets.

It is written in the law of Moses, You must not muzzle an ox when he is treading the grain. Is God thinking here about cattle?

Anyone who has rejected the law of Moses dies without mercy, on the evidence of two or of three witnesses.