Surah An-Nisa Verse 21 - English Translation by Dr Kamal Omar
Surah An-Nisaوَكَيۡفَ تَأۡخُذُونَهُۥ وَقَدۡ أَفۡضَىٰ بَعۡضُكُمۡ إِلَىٰ بَعۡضٖ وَأَخَذۡنَ مِنكُم مِّيثَٰقًا غَلِيظٗا
And how could you take it back while one of you has gone in unto the other (in marital bond and relations), and (those who are wives to you) have obtained from you a written document (at the time of marriage, which is) firm (as evidence)