Surah Al-Anfal — Ayah 56 (8:56)
ٱلَّذِينَ عَٰهَدتَّ مِنۡهُمۡ ثُمَّ يَنقُضُونَ عَهۡدَهُمۡ فِي كُلِّ مَرَّةٖ وَهُمۡ لَا يَتَّقُونَ ٥٦
English translation (Saheeh International)
The ones with whom you made a treaty but then they break their pledge every time, and they do not fear Allāh.
Brief commentary
Some of these Jewish disbelievers agreed a treaty to not fight against you, O Messenger, nor support any one else in fighting against you. They, then, break this treaty every time you make it with them. They have no fear of Allah so they do not fulfil their oaths and do not honour the promises taken from them.