Uthman ibn Affan reported: The Messenger of Allah, peace and blessings be upon him, said, “A Muslim man does not perform ablution in an excellent manner and then performs prayer, but that Allah will forgive him for what occurred between his prayer and the next.”
Source: Ṣaḥīḥ al-Bukhārī 158, Ṣaḥīḥ Muslim 227
Grade: Muttafaqun Alayhi (authenticity agreed upon) according to Al-Bukhari and Muslim
عَنْ عُثْمَانَ بْنِ عَفَّانَ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ لَا يَتَوَضَّأُ رَجُلٌ مُسْلِمٌ فَيُحْسِنُ الْوُضُوءَ فَيُصَلِّي صَلَاةً إِلَّا غَفَرَ اللَّهُ لَهُ مَا بَيْنَهُ وَبَيْنَ الصَّلَاةِ الَّتِي تَلِيهَا
158 صحيح البخاري كتاب الوضوء باب الوضوء ثلاثا ثلاثا
227 صحيح مسلم كتاب الطهارة باب فضل الوضوء والصلاة عقبه