18:20
إِنَّهُمْ إِن يَظْهَرُوا۟ عَلَيْكُمْ يَرْجُمُوكُمْ أَوْ يُعِيدُوكُمْ فِى مِلَّتِهِمْ وَلَن تُفْلِحُوٓا۟ إِذًا أَبَدًا
innahum in yaẓharū ʿalaykum yarjumūkum aw yuʿīdūkum fī millatihim walan tuf'liḥū idhan abadan
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."
— Saheeh International
if they found you out, they would stone you or force you to return to their religion, where you would never come to any good.’
— M. A. S. Abdel Haleem
"For, if they come to know of you, they will stone you (to death or abuse and harm you) or turn you back to their religion; and in that case you will never be successful."
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali