﴿ لَئِنْ أُخْرِجُوا۟ لَا يَخْرُجُونَ مَعَهُمْ وَلَئِن قُوتِلُوا۟ لَا يَنصُرُونَهُمْ وَلَئِن نَّصَرُوهُمْ لَيُوَلُّنَّ ٱلْأَدْبَٰرَ ثُمَّ لَا يُنصَرُونَ ﴾

“[for] if those [to whom they have pledged themselves] are indeed driven away, they will not go forth with them; and if war is waged against them, they will not come to their succour; and even if they [try to] succour them, they will most certainly turn their backs [in flight], and in the end will [themselves] find no succour.”

When the Prophet Muhammad announced the banishment of the Banu al-Nadir, the hypocrites ostensibly rallied to their side. They asked the Banu al-Nadir to take a firm stand and assured them of their support. But the hypocrites uttered these words just to incite them to rise against Muslims; they were never sincere in their offer. So, when the Muslims besieged the Banu al-Nadir, nobody came to help them. This has been the character of self-interested people in every age.