Al-Baqarah · 2:135

135. The Jews told the Muslims that they would have to be Jews if they were to be rightly guided; and the Christians told them that they would have to be Christians if they were to be rightly-guided. Tell them, O Prophet, in answer, that you follow the religion of Abraham, who turned away from other false ways of life to the way of truth. He did not worship others next to Allah, as some do.