إِنَّمَا يُرِيدُ اللَّهُ لِيُذْهِبَ عَنكُمُ الرِّجْسَ أَهْلَ الْبَيْتِ وَيُطَهِّرَكُمْ تَطْهِيرًا

"Allah surely wants to keep the sin away from you, O People of the House! And to purify you an absolute purification." Ayat-ut-Tatheer