The Prophet ﷺ said in his sermon, while his back was leaning against the Kaabah, "The blood of Muslims is equal in worth, the protection granted by the lowest among them is binding upon the rest, and they stand as one hand against all others."
حدثنا وكيع حدثني خليفة بن خياط
عن النبي ﷺ قال في خطبته وهو مسند ظهره إلى الكعبة المسلمون تكافأ دماؤهم ويسعى بذمتهم أدناهم وهم يد على من سواهم