Surah An-Nisaa, Verse 20
Translation — Sahih International
But if you want to replace one wife with another and you have given one of them a great amount [in gifts], do not take [back] from it anything. Would you take it in injustice and manifest sin?
Source
Kur'an-ı Kerim, Nisâ Suresi 4:20
https://kuran.diyanet.gov.tr/mushaf/kuran-meal-2/4-suresi-20-ayet