حِصْنُ الْمُسْلِمِ
Hisn al-Muslim 14
Fortress of the Muslim (Hisn al-Muslim)
Upon completing the ablution
اللّهُـمَّ اجْعَلنـي مِنَ التَّـوّابينَ وَاجْعَـلْني مِنَ المتَطَهّـرين.
Allāhummaj`alnī minat-tawwābīna waj`alnī minal-mutaṭahhirīn. O Allah, make me among those who turn to You in repentance, and make me among those who are purified. Reference: At-Tirmidhi 1/78. See also Al-Albani, Sahih At- Tirmidhi 1/18
Hisn al-Muslim, 14