Az-Zumar 39:3
أَلَا لِلَّهِ الدِّينُ الْخَالِصُ ۚ وَالَّذِينَ اتَّخَذُوا مِن دُونِهِ أَوْلِيَاءَ مَا نَعْبُدُهُمْ إِلَّا لِيُقَرِّبُونَا إِلَى اللَّهِ زُلْفَىٰ إِنَّ اللَّهَ يَحْكُمُ بَيْنَهُمْ فِي مَا هُمْ فِيهِ يَخْتَلِفُونَ ۗ إِنَّ اللَّهَ لَا يَهْدِي مَنْ هُوَ كَاذِبٌ كَفَّارٌ ٣
Ala lillahi alddeenu alkhalisu waallatheena ittakhathoo min doonihi awliyaa ma naAAbuduhum illa liyuqarriboona ila Allahi zulfa inna Allaha yahkumu baynahum fee ma hum feehi yakhtalifoona inna Allaha la yahdee man huwa kathibun kaffarun
“Surely pure religion is for Allah only. And those who choose protecting friends beside Him (say): We worship them only that they may bring us near unto Allah. Lo! Allah will judge between them concerning that wherein they differ. Lo! Allah guideth not him who is a liar, an ingrate.” (39:3)