Quran

 2:100

أَوَكُلَّمَا عَاهَدُوا عَهْدًا نَبَذَهُ فَرِيقٌ مِنْهُمْ ۚ بَلْ أَكْثَرُهُمْ لَا يُؤْمِنُونَ ﴿١٠٠﴾

100. Is it not that whenever they make a covenant, some of them toss it aside? In fact, most of them do not believe.