"The Messenger of Allah said: 'There is no Muslim who performs ablution and does it well, then says: Ashhadu an la ilaha illallah, wa ashhadu anna Muhammadan ʿabduhu wa rasuluhu (I bear witness that none has the right to be worshipped but Allah, and I bear witness that Muhammad is His slave and Messenger),' (except that) eight gates of Paradise will be opened for him, and he will enter through whichever one he wants.'" (Using translation from Ibn Mājah 470)
قَالَ رَسُولُ اللهِ ﷺ مَنْ تَوَضَّأَ فَأَحْسَنَ الْوُضُوءَ ثُمَّ رَفَعَ بَصَرَهُ إِلَى السَّمَاءِ فَقَالَ أَشْهَدُ أَنْ لَا إِلَهَ إِلَّا اللهُ وَحْدَهُ لَا شَرِيكَ لَهُ وَأَشْهَدُ أَنَّ مُحَمَّدًا عَبْدُهُ وَرَسُولُهُ فُتِحَتْ لَهُ ثَمَانِيَةُ أَبْوَابٍ مِنَ الْجَنَّةِ يَدْخُلً مِنَ أَيِّهَا شَاءَ