سورة سُورَةُ الأَحۡزَابِ

You, [O Muhammad], may put aside whom you will of them or take to yourself whom you will. And any that you desire of those [wives] from whom you had [temporarily] separated - there is no blame upon you [in returning her]. That is more suitable that they should be content and not grieve and that they should be satisfied with what you have given them - all of them. And Allah knows what is in your hearts. And ever is Allah Knowing and Forbearing.﴿51﴾