Sunan an-Nasa'i 85
It was narrated from Humran that he saw 'Uthman call for (water for) Wudu', then he poured water on his hands from the vessel and washed them three times. Then he put his right hand in the water and rinsed his mouth and his nose. Then he washed his face three times, and his arms up to the elbow three times. Then he wiped his head, and washed each of his feet three times. Then he said:
"I saw the Messenger of Allah (ﷺ) performing Wudu' like I have just done." Then he said: "Whoever performs Wudu' as I have done, then stands and prays two Rak'ahs without letting his thoughts wander, his previous sins will be forgiven.'"
أَخْبَرَنَا أَحْمَدُ بْنُ مُحَمَّدِ بْنِ الْمُغِيرَةِ، قَالَ حَدَّثَنَا عُثْمَانُ، - هُوَ ابْنُ سَعِيدِ بْنِ كَثِيرِ بْنِ دِينَارٍ الْحِمْصِيُّ عَنْ - شُعَيْبٍ، - هُوَ ابْنُ أَبِي حَمْزَةَ - عَنِ الزُّهْرِيِّ، أَخْبَرَنِي عَطَاءُ بْنُ يَزِيدَ، عَنْ حُمْرَانَ، أَنَّهُ رَأَى عُثَّمَانَ دَعَا بِوَضُوءٍ فَأَفْرَغَ عَلَى يَدَيْهِ مِنْ إِنَائِهِ فَغَسَلَهَا ثَلاَثَ مَرَّاتٍ ثُمَّ أَدْخَلَ يَمِينَهُ فِي الْوَضُوءِ فَتَمَضْمَضَ وَاسْتَنْشَقَ ثُمَّ غَسَلَ وَجْهَهُ ثَلاَثًا وَيَدَيْهِ إِلَى الْمِرْفَقَيْنِ ثَلاَثَ مَرَّاتٍ ثُمَّ مَسَحَ بِرَأْسِهِ ثُمَّ غَسَلَ كُلَّ رِجْلٍ مِنْ رِجْلَيْهِ ثَلاَثَ مَرَّاتٍ ثُمَّ قَالَ رَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم تَوَضَّأَ وُضُوئِي هَذَا ثُمَّ قَالَ ‏
"‏ مَنْ تَوَضَّأَ مِثْلَ وُضُوئِي هَذَا ثُمَّ قَامَ فَصَلَّى رَكْعَتَيْنِ لاَ يُحَدِّثُ فِيهِمَا نَفْسَهُ بِشَىْءٍ غَفَرَ اللَّهُ لَهُ مَا تَقَدَّمَ مِنْ ذَنْبِهِ ‏"‏ ‏.‏