Al A’raf Ayah 193

وَإِن تَدْعُوهُمْ إِلَى ٱلْهُدَىٰ لَا يَتَّبِعُوكُمْ‌ۚ سَوَآءٌ عَلَيْكُمْ أَدَعَوْتُمُوهُمْ أَمْ أَنتُمْ صَـٰمِتُونَ ١٩٣ And if you ?idolaters? call upon them for guidance, they cannot respond to you. It is all the same whether you call them or remain silent.