Al-Ahqaf 46:5

وَمَنۡ أَضَلُّ مِمَّن يَدۡعُواْ مِن دُونِ ٱللَّهِ مَن لَّا يَسۡتَجِيبُ لَهُۥٓ إِلَىٰ يَوۡمِ ٱلۡقِيَٰمَةِ وَهُمۡ عَن دُعَآئِهِمۡ غَٰفِلُونَ 5

And who is more astray than he who invokes besides Allah those who will not respond to him until the Day of Resurrection, and they, of their invocation, are unaware