17ما كانَ لِلمُشرِكينَ أَن يَعمُروا مَساجِدَ اللَّهِ شاهِدينَ عَلىٰ أَنفُسِهِم بِالكُفرِ ۚ أُولٰئِكَ حَبِطَت أَعمالُهُم وَفِي النّارِ هُم خالِدونَWahiduddin KhanIt is not right that the polytheists should frequent God's places of worship while they are self-confessed unbelievers. It is they whose works shall come to nothing and they shall abide in Hell.