Dr. Mustafa Khattab, the Clear Quran - Surah An-Nisa, ayah 21

Translation of Surah An-Nisa, ayah 21 (4:21)

وَكَيۡفَ تَأۡخُذُونَهُۥ وَقَدۡ أَفۡضَىٰ بَعۡضُكُمۡ إِلَىٰ بَعۡضٖ وَأَخَذۡنَ مِنكُم مِّيثَٰقًا غَلِيظٗا ٢١
And how could you take it back after having enjoyed each other intimately and she has taken from you a firm commitment?1 

Foot notes

296965

i.e., the promise to live with her in kindness or divorce her with dignity.