Say, [O Muḥammad], "Do you argue with us about Allāh while He is our Lord and your Lord? For us are our deeds, and for you are your deeds. And we are sincere [in deed and intention] to Him."
Notes from Wikiquote
أَمۡ تَقُولُونَ إِنَّ إِبۡرَٰهِـۧمَ وَإِسۡمَٰعِيلَ وَإِسۡحَٰقَ وَيَعۡقُوبَ وَٱلۡأَسۡبَاطَ كَانُواْ هُودًا أَوۡ نَصَٰرَىٰۗ قُلۡ ءَأَنتُمۡ أَعۡلَمُ أَمِ ٱللَّهُۗ وَمَنۡ أَظۡلَمُ مِمَّن كَتَمَ شَهَٰدَةً عِندَهُۥ مِنَ ٱللَّهِۗ وَمَا ٱللَّهُ بِغَٰفِلٍ عَمَّا تَعۡمَلُونَ