The Prophet (ﷺ) said: “Unquestionably, in the body there is a lump of flesh; if it is sound, the whole body is sound,and if it is corrupt, the whole body is corrupt, and behold, it is the heart.” [Bukhari and Muslim]. Guidance belongs to Allah alone because He knows the real state of the heart. He has the power to flip the heart of anyone any time, and no one can change a heart that He has covered.
We will overturn their hearts and sight, just as when they did not believe in it at first, and We will abandon them to wander blindly in their excessive insolence. [Al-An’am 6:110]
Who could do greater wrong than someone who is reminded of the Signs of his Lord and then turns away from them, forgetting all that he has done before? We have placed covers on their hearts, preventing them from understanding it, and heaviness in their ears. Though you call them to guidance, they will nonetheless never be guided. [Al-Kahf 18:57]
The only statement of the [true] believers when they are called to Allah and His Messenger to judge between them is that they say, “We hear and we obey.” And those are the successful.[An-Nur 24:51]
“Our Lord, let not our hearts deviate after You have guided us and grant us from Yourself mercy. Indeed, You are the Bestower.” [Ali Imran 3:8]
