﴿ وَلَا تَكُونُوا۟ كَٱلَّتِى نَقَضَتْ غَزْلَهَا مِنۢ بَعْدِ قُوَّةٍ أَنكَٰثًۭا تَتَّخِذُونَ أَيْمَٰنَكُمْ دَخَلًۢا بَيْنَكُمْ أَن تَكُونَ أُمَّةٌ هِىَ أَرْبَىٰ مِنْ أُمَّةٍ ۚ إِنَّمَا يَبْلُوكُمُ ٱللَّهُ بِهِۦ ۚ وَلَيُبَيِّنَنَّ لَكُمْ يَوْمَ ٱلْقِيَٰمَةِ مَا كُنتُمْ فِيهِ تَخْتَلِفُونَ ﴾

“Hence, be not like her who breaks and completely untwists the yarn which she [herself] has spun and made strong-[be not like this by] using your oaths as a means of deceiving one another, simply because some of you may be more powerful than others." By all this, God but puts you to a test-and [He does it] so that on Resurrection Day He might make clear unto you all that on which you were wont to differ.”

(And be not) in terms of breaking pledges (like unto her) i.e. Ra'itah, the fool (who unravelleth the thread, after she has made it strong, to thin filaments, making your oaths) your pledges (a deceit) and treachery (between you because of a nation) a group (being more numerous than (another) nation) another group. (Allah only trieth you thereby) He tests you with your numerousness; and it is also said: He tests you with the breaking of pledges, (and He verily will explain to you on the Day of Resurrection that wherein ye differed) in the matter of religion.