Surah An-Nisa Verse 20 - English Translation by Mir Aneesuddin
Surah An-Nisaوَإِنۡ أَرَدتُّمُ ٱسۡتِبۡدَالَ زَوۡجٖ مَّكَانَ زَوۡجٖ وَءَاتَيۡتُمۡ إِحۡدَىٰهُنَّ قِنطَارٗا فَلَا تَأۡخُذُواْ مِنۡهُ شَيۡـًٔاۚ أَتَأۡخُذُونَهُۥ بُهۡتَٰنٗا وَإِثۡمٗا مُّبِينٗا
And if you intend to exchange one wife in the place of another and if you have given one of them (even) a treasure, then do not take (back) anything from it. Would you take it (back) by slander