When Messiah comes, all the Jews will obey God’s commandments

Ezekiel 37:24 And My servant David shall be king over them, and one shepherd shall be for them all, and they shall walk in My ordinances and observe My statutes and perform them.

Deuteronomy 30:8,10 And you will return and listen to the voice of the Lord, and fulfill all His commandments, which I command you this day…when you obey the Lord, your God, to observe His commandments and His statutes written in this Torah scroll, [and] when you return to the Lord, your God, with all your heart and with all your soul.

Jeremiah 31:32 For this is the covenant that I will form with the house of Israel after those days, says the Lord: I will place My law in their midst and I will inscribe it upon their hearts, and I will be their God and they shall be My people.

Ezekiel 11:19-20 And I shall give them one heart, and a new spirit I shall place within them, and I shall remove the heart of stone from their flesh, and I shall give them a heart of flesh. In order that they walk in My statutes and keep My laws and perform them, and they will be My people, and I shall be their God.

Ezekiel 36:26-27 And I will give you a new heart, and a new spirit will I put within you, and I will take away the heart of stone out of your flesh, and I will give you a heart of flesh. And I will put My spirit within you and bring it about that you will walk in My statutes and you will keep My ordinances and do [them].