فَإِنْ آمَنُوا بِمِثْلِ مَا آمَنتُم بِهِ فَقَدِ اهْتَدَوا وَّإِن تَوَلَّوْا فَإِنَّمَا هُمْ فِي شِقَاقٍ فَسَيَكْفِيكَهُمُ اللَّهُ وَهُوَ السَّمِيعُ الْعَلِيمُ
So if they believe in the like of what you believe in, then they are surely guided; but if they turn away, then [know that] they are only [steeped] in defiance. Allah will suffice you against them, and He is the All-hearing, the All-knowing.
Agha Ali Puya Commentary
Commentary on Quran 2:137
[Pooya/Ali Commentary 2:137] The Jews and the Christians would have become the followers of the true faith if they had accepted the teachings of the earlier prophets and acknowledged the prophethood of the Holy Prophet, but they opposed the Holy Prophet right from the beginning and on many occasions tried to kill him