So the essential thing is to believe in God alone without associate or peer.
Quran 2: 40-41, which mean:
[Then God – be glorified – started to address the Children of Israel, and He said:]
40. Children of Israel, remember My favor which I bestowed on you [in the past]a,
and fulfill your covenant with Me b, I will fulfill My covenant with you c,
and Me alone you should extremely fear d.
41. And believe in [the Quran] that I have revealed confirming [the Ten Commandments] that you already have e,
and be not the first to disbelieve in the [Quran],
and do not barter My revelations [in the Quran] for a little price f,
and beware My [punishment.] g}
................................................................
40
a He means the blessings which He bestowed on their ancestors: like the large number of their prophets and heavenly books, their safety from Pharaoh and the drowning, bringing down to them the "manna" and quails, and their sovereignty in the time of David and Solomon...etc.
40
b i.e. that which you covenanted with Me by the hand of Moses your prophet: believing in Me, obeying Me, and that you should not associate anything with Me.
40
c i.e. which I promised you with: the good reward according to your righteous work.
40
d i.e. fear Me about the breaking of your covenant with Me.
[
some of their covenants:]
These are some of the covenants with which they covenanted God;
in the Book of Deuteronomy, chapter 5:
(
Then Moses summoned all Israel and said to them: The Lord our God made a covenant with us at Horeb. He said, ‘I am the Lord your God who brought you out of the land of Egypt, out of the house of slavery. You shall have no other gods before Me. You shall not make for yourself an idol, or any likeness of what is in heaven above or on the earth beneath or in the water under the earth. You shall not worship them or serve them; for I, the Lord your God, am a jealous God.')
But they betrayed the covenants, broke the pacts and worshipped the Baalim, Astaroth and others.
41
e i.e. the Quran confirms the Ten Commandments of the tablets which Moses brought from God, and also confirms the "exclusive devotion to God alone" and to abandon the idols.
41
f i.e. do not exchange the little amount of money for the denial of the Quran: so that you are afraid lest your position and authority on your people should go away from you, in case you believe in Mohammed, and then none will give you the money; because the addressing is to the Jewish scholars and chiefs.
41
g i.e. beware My punishment and believe in the Quran and Mohammed on whom the Quran is revealed.
The Conflict between the Torah and the Quran
quran-ayat(dot)com/conflicts/index(dot)htm#introduction