'Law of Moses' in the Bible

and from all things from which ye were not able in the law of Moses to be declared righteous, in this one every one who is believing is declared righteous;

and there rose up certain of those of the sect of the Pharisees who believed, saying -- 'It behoveth to circumcise them, to command them also to keep the law of Moses.'

and having appointed him a day, they came, more of them unto him, to the lodging, to whom he was expounding, testifying fully the reign of God, persuading them also of the things concerning Jesus, both from the law of Moses, and the prophets, from morning till evening,