There is no God but Allah ﷻ and Muhammad is His Messenger ﷺ
أَشْهَدُ أَنْ لَا إِلَهَ إِلَّا اللَّهُ وَحْدَهُ لَا شَرِيكَ لَهُ وَأَنَّ مُحَمَّدًا صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ عَبْدُهُ وَرَسُولُهُ
“Whoever knows himself, knows his Lord.”