إِنَّمَا الْمُؤْمِنُونَ الَّذِينَ آمَنُوا بِاللَّهِ وَرَسُولِهِ مُحَمَّدٍ ﷺ (النور، 62)

The true believers are only those, who believe in (the Oneness of Allah and His Messenger (Muhammad (Peace be upon him)) (An-Nur, 62)

أُمِرْتُ أَنْ أُقَاتِلَ النَّاسَ حَتَّى يَشْهَدُوا أَنْ لَا إِلَهَ إِلَّا اللَّهُ، وَأَنَّ مُحَمَّدًا رَسُولُ اللَّهِ ﷺ، وَيُقِيمُوا الصَّلَاةَ، وَيُؤْتُوا الزَّكَاةَ، فَإِذَا فَعَلُوا ذَلِكَ عَصَمُوا مِنِّي دِمَاءَهُمْ وَأَمْوَالَهُمْ إِلَّا بِحَقِّهَا، وَحِسَابُهُمْ عَلَى اللَّهِ، (رواه البخاري ومسلم)

"I have been commanded to fight against people till they testify that there is no god but Allah, and that Muhammad is the Messenger of Allah, perform Prayer, and pay Zakah. If they do that, their blood and property are guaranteed protection on my behalf except when justified by law, and their affairs rest with Allah ", (Bukhari and Muslim)