Al Kahf, 20 Ayah
18:20
إِنَّهُمۡ إِن يَظۡهَرُواْ عَلَيۡكُمۡ يَرۡجُمُوكُمۡ أَوۡ يُعِيدُوكُمۡ فِي مِلَّتِهِمۡ وَلَن تُفۡلِحُوٓاْ إِذًا أَبَدٗا ٢٠
'Innahum 'In Yažharū `Alaykum Yarjumūkum 'Aw Yu`īdūkum Fī Millatihim Wa Lan Tufliĥū 'Idhāan 'Abadāan
Indeed, if they come to know of you, they will stone you or return you to their religion. And never would you succeed, then - ever."