فَإِن تَابُواْ وَأَقَامُواْ الصَّلاَةَ وَآتَوُاْ الزَّكَاةَ فَإِخْوَانُكُمْ فِي الدِّينِ وَنُفَصِّلُ الآيَاتِ لِقَوْمٍ يَعْلَمُونَ
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سورة التوبة
(9/11) Yet if they repent (before the Messenger by wishing to reach Allah before death) and keep up the prayer and pay Alms (the Zakât), then they are your brethren in religion. And We explain the Verses in detail for a people who know.
Surah At-Tawbah