Quran 7:37 from Surah Al-A'raaf on Divine Marvels.
فَمَنۡ أَظۡلَمُ مِمَّنِ ٱفۡتَرَىٰ عَلَى ٱللَّهِ كَذِبًا أَوۡ كَذَّبَ بِـَٔايَٰتِهِۦٓۚ أُوْلَٰٓئِكَ يَنَالُهُمۡ نَصِيبُهُم مِّنَ ٱلۡكِتَٰبِۖ حَتَّىٰٓ إِذَا جَآءَتۡهُمۡ رُسُلُنَا يَتَوَفَّوۡنَهُمۡ قَالُوٓاْ أَيۡنَ مَا كُنتُمۡ تَدۡعُونَ مِن دُونِ ٱللَّهِۖ قَالُواْ ضَلُّواْ عَنَّا وَشَهِدُواْ عَلَىٰٓ أَنفُسِهِمۡ أَنَّهُمۡ كَانُواْ كَٰفِرِينَ
English translation: Then who (is) more unjust than (one) who invented against Allah a lie or denies His Verses Those will reach them their portion from the Book until when comes to them Our messengers (Angels) (to) take them in death they say Where are those (whom) you used to invoke from besides Allah They say They strayed from us and they (will) testify against themselves that they were disbelievers
Transliteration: faman azlamu mimmani if'tara ala al-lahi kadhiban aw kadhaba biayatihi ulaika yanaluhum nasibuhum mina al-kitabi hatta idha jaathum rusuluna yatawaffawnahum qalu ayna ma kuntum tad'una min duni al-lahi qalu dallu anna washahidu ala anfusihim annahum kanu kafirina