وَكَيْفَ تَأْخُذُونَهُۥ وَقَدْ أَفْضَىٰ بَعْضُكُمْ إِلَىٰ بَعْضٍ وَأَخَذْنَ مِنكُم مِّيثَٰقًا غَلِيظًا

And how can you take it when one of you has already gone in to the other and they have made with you a firm covenant?