Luqman 31:23 ومن كفر فلا يحزنك كفره الينا مرجعهم فننبيهم بما عملوا ان الله عليم بذات الصدور ٢٣
وَمَن
كَفَرَ
فَلَا
يَحۡزُنكَ
كُفۡرُهُۥٓۚ
إِلَيۡنَا
مَرۡجِعُهُمۡ
فَنُنَبِّئُهُم
بِمَا
عَمِلُوٓاْۚ
إِنَّ
ٱللَّهَ
عَلِيمُۢ
بِذَاتِ
ٱلصُّدُورِ
٢٣
また（使徒*よ）、不信仰に陥った者*がいても、その不信仰があなた[1]を悲しませるようなことがあってはならない。（復活の日*、）われら*にこそ彼らの帰り所はあり、われら*は彼らに自分たちが行ったことを告げ聞かせ（、それに報いを与え）るのだから。本当にアッラー*は、胸中をご存知になるお方なのである。 1
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Ibn Kathir (Abridged)
وَهُوَ مُحْسِنٌ
(while he is a Muhsin) i.e., doing what his Lord has commanded and abstaining from what He has forbidden,
فَقَدِ اسْتَمْسَكَ بِالْعُرْوَةِ الْوُثْقَى
(then he has grasped the most trustworthy handhold.) means, he has received a firm promise from Allah that He will not punish him.
وَإِلَى
…وَهُوَ مُحْسِنٌ
(while he is a Muhsin) i.e., doing what his Lord has commanded and abstaining from what He has forbidden,
فَقَدِ اسْتَمْسَكَ بِالْعُرْوَ
…