Surah Ali 'Imran 3:70

يَـٰٓأَهْلَ ٱلْكِتَـٰبِ لِمَ تَكْفُرُونَ بِـَٔايَـٰتِ ٱللَّهِ وَأَنتُمْ تَشْهَدُونَ

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

Translation: Saheeh International

Tafsir

O People of the Scripture! Why do you disbelieve in God’s verses the Qur’ān that includes all the descriptions of Muhammad (s) when you yourselves bear witness? when you know that it is the truth.

Excerpt from Tafsir al-Jalalayn, commentary on 3:70, via Quran.com. The reader has the full commentary and 9 more tafsirs.