Surah Ali'Imran, Verse 70

يَٰٓأَهۡلَ ٱلۡكِتَٰبِ لِمَ تَكۡفُرُونَ بِـَٔايَٰتِ ٱللَّهِ وَأَنتُمۡ تَشۡهَدُونَ٧٠

yāahla l-kitābi lima takfurūna biāyāti l-lahi wa-antum tashhadūna

O People of the Scripture, why do you disbelieve in the verses of Allāh while you witness [to their truth]?