Surah Fussilat Verse 52 - English Translation by Maududi
Surah Fussilatقُلۡ أَرَءَيۡتُمۡ إِن كَانَ مِنۡ عِندِ ٱللَّهِ ثُمَّ كَفَرۡتُم بِهِۦ مَنۡ أَضَلُّ مِمَّنۡ هُوَ فِي شِقَاقِۭ بَعِيدٖ
Tell them, (O Prophet): "Did you ever consider: if this Qur´an is indeed from Allah and you still deny it, who can be in greater error than he who goes far in fiercely opposing it