Surah Al-Hashr 59:11

۞ أَلَمْ تَرَ إِلَى ٱلَّذِينَ نَافَقُوا۟ يَقُولُونَ لِإِخْوَٰنِهِمُ ٱلَّذِينَ كَفَرُوا۟ مِنْ أَهْلِ ٱلْكِتَـٰبِ لَئِنْ أُخْرِجْتُمْ لَنَخْرُجَنَّ مَعَكُمْ وَلَا نُطِيعُ فِيكُمْ أَحَدًا أَبَدًا وَإِن قُوتِلْتُمْ لَنَنصُرَنَّكُمْ وَٱللَّهُ يَشْهَدُ إِنَّهُمْ لَكَـٰذِبُونَ

Have you not considered those who practice hypocrisy, saying to their brothers [i.e., associates] who have disbelieved among the People of the Scripture, "If you are expelled, we will surely leave with you, and we will not obey, in regard to you, anyone - ever; and if you are fought, we will surely aid you." But Allāh testifies that they are liars.

Translation: Saheeh International

Tafsir

Have you not considered have you not seen the hypocrites who say to their brethren who disbelieve from among the People of the Scripture namely the Banū al-Nadīr their brethren in disbelief ‘If la-in the lām is for oaths in all four instances you are expelled from Medina we will assuredly go forth with you and we will …

Excerpt from Tafsir al-Jalalayn, commentary on 59:11, via Quran.com. The reader has the full commentary and 9 more tafsirs.