as if the writer was picking things out of the bible and mentioning it...
The Quran is based on the OT but is twisted around to favor a different perspective. Without the OT there would be no NT or Quran.
if this is the case(never read the quran) ask him/her etc, what law saved you.
11 For I would have you know, brothers, that the gospel that was preached by me is not man's gospel.12 For I did not receive it from any man, nor was I taught it, but I received it through
a revelation of Jesus Christ.13 For you have heard of my former life in Judaism, how I persecuted the church of God violently and tried to destroy it.14 And I was advancing in Judaism beyond many of my own age among my people,
so extremely zealous was I for the traditions of my fathers.15 But when he who had set me apart before I was born, and
who called me by his grace,16 was pleased to reveal
his Son to me, in order that I might preach him
among the Gentiles, I did not immediately consult with anyone;17 nor did I go up to Jerusalem to those who were apostles before me, but I went away into Arabia, and returned again to Damascus.
Justified by Faith
15 We ourselves are
Jews by birth(old covenant) and not Gentile sinners;16 yet we know that a person is not justified by works of the law but through faith in Jesus Christ, so we also have believed in Christ Jesus, in order to be justified by faith in Christ and not by works of the law,
because by works of the law no one will be justified.
gal 1 and 2