وَإِذَا طَلَّقْتُمُ النَّسَاء فَبَلَغْنَ أَجَلَهُنَّ فَأَمْسِكُوهُنَّ بِمَعْرُوفٍ أَوْ سَرِّحُوهُنَّ بِمَعْرُوفٍ وَلاَ تُمْسِكُوهُنَّ ضِرَارًا لَّتَعْتَدُواْ وَمَن يَفْعَلْ ذَلِكَ فَقَدْ ظَلَمَ نَفْسَهُ وَلاَ تَتَّخِذُوَاْ آيَاتِ اللّهِ هُزُوًا وَاذْكُرُواْ نِعْمَتَ اللّهِ عَلَيْكُمْ وَمَا أَنزَلَ عَلَيْكُمْ مِّنَ الْكِتَابِ وَالْحِكْمَةِ يَعِظُكُم بِهِ وَاتَّقُواْ اللّهَ وَاعْلَمُواْ أَنَّ اللّهَ بِكُلِّ شَيْءٍ عَلِيمٌ
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سورة البقرة
(2/231) When you have divorced the wives and they have reached the end of their waiting periods, then either retain them according to custom and usage (on reasonable basis, with Ma’rûf) or set them free on reasonable basis. But do not take them back to cause their loss so that you exceed the limits (infringe upon her rights), and whoever does this, he indeed is unjust to his own soul. And do not take Allah’s Verses (Signs) for a mockery and remember the Blessing of Allah upon you and that which He has sent down to you of the Book and the Wisdom, admonishing you thereby; and have piety (Takwâ) towards Allah and know that Allah is the Knower of all things.
Surah Al-Baqarah