that the Messenger of Allah ﷺ said: "The covenant between us and them is the Salat, so whoever abandons it he has committed disbelief."
قَالَ رَسُولُ اللَّهِ ﷺ الْعَهْدُ الَّذِي بَيْنَنَا وَبَيْنَهُمُ الصَّلاَةُ فَمَنْ تَرَكَهَا فَقَدْ كَفَرَ وَفِي الْبَابِ عَنْ أَنَسٍ وَابْنِ عَبَّاسٍ