Surah At-Tahrim — Ayah 4 (66:4)
إِن تَتُوبَآ إِلَى ٱللَّهِ فَقَدۡ صَغَتۡ قُلُوبُكُمَاۖ وَإِن تَظَٰهَرَا عَلَيۡهِ فَإِنَّ ٱللَّهَ هُوَ مَوۡلَىٰهُ وَجِبۡرِيلُ وَصَٰلِحُ ٱلۡمُؤۡمِنِينَۖ وَٱلۡمَلَٰٓئِكَةُ بَعۡدَ ذَٰلِكَ ظَهِيرٌ ٤
English translation (Saheeh International)
If you two [wives] repent to Allāh, [it is best], for your hearts have deviated. But if you cooperate against him - then indeed Allāh is his protector, and Gabriel and the righteous of the believers and the angels, moreover, are [his] assistants.
Brief commentary
It is your duty that you both repent, because your hearts have inclined towards liking something the Messenger of Allah (peace be upon him) disliked, i.e. staying away from his servant girl and forbidding her upon himself. And if you insist upon joining forces against him, then know that Allah is his guardian and helper, and so is Gabriel and the best of believers. The angels are also his helpers and supporters after Allah against those who cause inconvenience to him.