عَنْ عُثْمَانَ بْنِ عَفَّانَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ “‏

عَنْ عُثْمَانَ بْنِ عَفَّانَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ “‏ مَنْ تَوَضَّأَ فَأَحْسَنَ الْوُضُوءَ خَرَجَتْ خَطَايَاهُ مِنْ جَسَدِهِ حَتَّى تَخْرُجَ مِنْ تَحْتِ أَظْفَارِهِ ‏"‏ ‏.‏
Uthman b. ‘Affan reported:The Messenger of Allah (way peace be upon him) said: He who performed ablution well, his sins would come out from his body, even coming out from under his nails.