ENOfficial
‘Uqba b. 'Amir reported God’s messenger as saying, “If any Muslim performs ablution well, then stands and prays two rak'as, setting about their performance both inwardly and outwardly, he will be guaranteed paradise.” Muslim transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْ عُقْبَةَ بْنِ عَامِرٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «مَا مِنْ مُسْلِمٍ يَتَوَضَّأُ فَيُحْسِنُ وُضُوءَهُ ثُمَّ يَقُومُ فَيُصَلِّي رَكْعَتَيْنِ مقبل عَلَيْهِمَا بِقَلْبِهِ وَوَجْهِهِ إِلَّا وَجَبَتْ لَهُ الْجَنَّةُ» . رَوَاهُ مُسلم
sunnah.com