The outcome of fear and penetration of faith [ iman ] into the heart is this...

The outcome of fear and penetration of faith [ iman ] into the heart is this: يَا أَيُّهَا الَّذِينَ آمَنُوا اتَّقُوا اللَّهَ وَآمِنُوا بِرَسُولِهِ يُؤْتِكُمْ كِفْلَيْنِ مِنْ رَحْمَتِهِ وَيَجْعَلْ لَكُمْ نُورًا تَمْشُونَ بِهِ وَيَغْفِرْ لَكُمْ ۚ وَاللَّهُ غَفُورٌ رَحِيمٌ He will grant you a double share of His mercy and give you a light to walk by.

(57:28 ) This light is not material and perceptible; rather, it is light related to the aliveness of the heart and soul the aliveness which is pointed out by the Qur’an in many instances and through many ways: أَفَلَمْ يَسِيرُوا فِي الْأَرْضِ فَتَكُونَ لَهُمْ قُلُوبٌ يَعْقِلُونَ بِهَا أَوْ آذَانٌ يَسْمَعُونَ بِهَا ۖ فَإِنَّهَا لَا تَعْمَى الْأَبْصَارُ وَلَٰكِنْ تَعْمَى الْقُلُوبُ الَّتِي فِي الصُّدُورِ Indeed it is not the eyes that turn blind, but the hearts turn blind—those which are in the breasts!

(22:46) Material and physical eye has life and vision, but it has no vision of the soul and inner being. The muscular heart in the bosom beats and is alive but there is another heart which has the problem: ثُمَّ قَسَتْ قُلُوبُكُمْ مِنْ بَعْدِ ذَٰلِكَ فَهِيَ كَالْحِجَارَةِ أَوْ أَشَدُّ قَسْوَةً ۚ وَإِنَّ مِ