92. Morning & Evening Dua for Strong Iman
Say three times -
رَضِيْتُ بِاللَّهِ رَبًّا وَبِالْإِسْلَامِ دِيْنًا وَبِمُحَمَّدٍ نَبِيًّا
رَضِيْتُ بِاللّٰهِ رَبًّا وَّبِالْاِسْلَامِ دِيْنًا وَّبِمُحَمَّدٍ نَبِيًّا
Radheetu billaahi Rabban, wa bil-'Islaami deenan, wa bi-Muhammadin Nabiyyan
Translation
I am pleased with Allah as a Lord, and Islaam as a religion and Muhammad (ﷺ) as a Prophet.