I brought water to ʿUthman bin ʿAffan to perform the ablution while he was sitting on his seat. He performed the ablution in a perfect way and said, "I saw the Prophet ﷺ performing the ablution in this place and he performed it in a perfect way and said, "Whoever performs the ablution as I have done this time and then proceeds to the mosque and offers a two-rakʿat prayer and then sits there (waiting for the compulsory congregational prayers), then all his past sins will be forgiven." The Prophet ﷺ further added, "Do not be conceited (thinking that your sins will be forgiven because of your prayer).  

أَخْبَرَهُ قَالَ أَتَيْتُ عُثْمَانَ بِطَهُورٍ وَهْوَ جَالِسٌ عَلَى الْمَقَاعِدِ فَتَوَضَّأَ فَأَحْسَنَ الْوُضُوءَ ثُمَّ قَالَ رَأَيْتُ النَّبِيَّ ﷺ تَوَضَّأَ وَهْوَ فِي هَذَا الْمَجْلِسِ فَأَحْسَنَ الْوُضُوءَ ثُمَّ قَالَ مَنْ تَوَضَّأَ مِثْلَ هَذَا الْوُضُوءِ ثُمَّ أَتَى الْمَسْجِدَ فَرَكَعَ رَكْعَتَيْنِ ثُمَّ جَلَسَ غُفِرَ لَهُ مَا تَقَدَّمَ مِنْ ذَنْبِهِ قَالَ وَقَالَ النَّبِيُّ ﷺ لاَ تَغْتَرُّوا  

One day Uthman b. Affan performed the ablution well, and then said: I saw Messenger of Allah ﷺ perform ablution, the best ablution, and then observed: He who performed ablution like this and then went towards the mosque and nothing (but the love of) prayer urged him (to do so), all his previous (minor) sins would be expiated.  

رَأَيْتُ رَسُولَ اللَّهِ ﷺ تَوَضَّأَ فَأَحْسَنَ الْوُضُوءَ ثُمَّ قَالَ مَنْ تَوَضَّأَ هَكَذَا ثُمَّ خَرَجَ إِلَى الْمَسْجِدِ لاَ يَنْهَزُهُ إِلاَّ الصَّلاَةُ غُفِرَ لَهُ مَا خَلاَ مِنْ ذَنْبِهِ  

I saw ‘ Uthman’ b. ‘Affan while he performed ablution. He poured water over his hands three times and then washed them. He then rinsed his mouth and then cleansed his nose with water (three times). He then washed his right arm up to the elbow three times, then washed his left arm in a similar manner; then wiped his head; then washed his right foot three times, then washed his left foot in a similar manner, and then said : I saw the Messenger of Allah ﷺ performing ablution like this ablution of mine. Then he (the Prophet) said: He who performs ablution like this ablution of mine and then offered two rakhahs of prayer without allowing his thoughts to be distracted, Allah will pardon all his past sins.  

رَأَيْتُ عُثْمَانَ بْنَ عَفَّانَ تَوَضَّأَ فَأَفْرَغَ عَلَى يَدَيْهِ ثَلاَثًا فَغَسَلَهُمَا ثُمَّ تَمَضْمَضَ وَاسْتَنْثَرَ ثُمَّ غَسَلَ وَجْهَهُ ثَلاَثًا وَغَسَلَ يَدَهُ الْيُمْنَى إِلَى الْمِرْفَقِ ثَلاَثًا ثُمَّ الْيُسْرَى مِثْلَ ذَلِكَ ثُمَّ مَسَحَ رَأْسَهُ ثُمَّ غَسَلَ قَدَمَهُ الْيُمْنَى ثَلاَثًا ثُمَّ الْيُسْرَى مِثْلَ ذَلِكَ ثُمَّ قَالَ رَأَيْتُ رَسُولَ اللَّهِ ﷺ تَوَضَّأَ مِثْلَ وُضُوئِي هَذَا ثُمَّ قَالَ مَنْ تَوَضَّأَ مِثْلَ وُضُوئِي هَذَا ثُمَّ صَلَّى رَكْعَتَيْنِ لاَ يُحَدِّثُ فِيهِمَا نَفْسَهُ غَفَرَ اللَّهُ لَهُ مَا تَقَدَّمَ مِنْ ذَنْبِهِ  

Anyone who performs ablution and performs his ablution well, and then he offers two rak’ahs of prayers in a way that he does not forget ( anything in it), will be forgiven all his past sins.  

أَنَّ النَّبِيَّ ﷺ قَالَ مَنْ تَوَضَّأَ فَأَحْسَنَ وُضُوءَهُ ثُمَّ صَلَّى رَكْعَتَيْنِ لاَ يَسْهُو فِيهِمَا غُفِرَ لَهُ مَا تَقَدَّمَ مِنْ ذَنْبِهِ  

I came to ‘Uthman bin ʿAffan ؓ when he was sitting in al-Maqaʿid. He did wudoo and did it well, then he said: I saw the Messenger of Allah ﷺ when he was in this place; he did wudoo’ and did it well, then he said: “Whoever does wudoo’ as I have done, then goes to the mosque and prays two rakats, his previous sins will be forgiven.” And he said: The Messenger of Allah ﷺ said: ʿDo not become complacent.”  

رَأَيْتُ رَسُولَ اللهِ ﷺ وَهُوَ فِي هَذَا الْمَجْلِسِ تَوَضَّأَ فَأَحْسَنَ الْوُضُوءَ ثُمَّ قَالَ وَقَالَ مَنْ تَوَضَّأَ مِثْلَ وُضُوئِي هَذَا ثُمَّ أَتَى الْمَسْجِدَ فَرَكَعَ فِيهِ رَكْعَتَيْنِ غُفِرَ لَهُ مَا تَقَدَّمَ مِنْ ذَنْبِهِ وَقَالَ قَالَ رَسُولُ اللهِ ﷺ وَلا تَغْتَرُّوا  

"مَنْ تَوَضَّأَ مِثْلَ هَذَا الْوُضُوء، ثُمَّ أَتَى الْمَسْجِدَ فَرَكَعَ رَكْعَتَين، ثُمَّ جَلَس غُفِرَ لَهُ مَا تَقَدَّمَ مِنْ ذنْبِهِ، وَلَا تَغْتَرُّوا".  

"مَنْ تَوَضَّأَ فَأَحْسَنَ الْوضُوءَ، ثُمَّ صلَّى رَكْعَتَينِ لَا يَسْهُو فِيهِما غَفَرَ اللهُ لَهُ مَا تَقَدَّم مِنْ ذَنْبِهِ".  

"عَنْ عُثْمانَ قَالَ: رَأَيْت رَسُولَ الله ﷺ تَوَضَّأ فَأحْسَنَ الوُضُوءَ، ثُمَّ قَال: مَنْ تَوَضأ وضُوئى هَذا، ثُمَّ أَتَى المَسْجِد فَرَكَع رَكْعَتَين غُفِرَ لَه مَا تَقَدَّمَ مِن ذَنْبه".