آمَنْتُ بِاللَّهِ وَرُسُلِهِ

Aamantu billaahi wa Rusulihi

I believe in Allah and His Messenger. It is narrated on the authority of Abu Huraira (RA) that the Messenger of Allah (ﷺ) said: Men will continue to question one another till this is propounded: Allah created all things but who created Allah? He who found himself confronted with such a situation should say: (The dua is Mentioned above)

Reference: Muslim: 134