The Quran root ص ل ح ṣ-l-ḥ

إِنَّ الَّذِينَ آمَنُوا وَالَّذِينَ هَادُوا وَالنَّصَارَىٰ وَالصَّابِئِينَ مَنْ آمَنَ بِاللَّهِ وَالْيَوْمِ الْآخِرِ وَعَمِلَ صَالِحًا فَلَهُمْ أَجْرُهُمْ عِندَ رَبِّهِمْ وَلَا خَوْفٌ عَلَيْهِمْ وَلَا هُمْ يَحْزَنُونَ ٦٢

صَالِحًا ṣāliḥan · righteous deeds

Indeed, those who believed and those who were Jews or Christians or Sabeans [before Prophet Muḥammad (ﷺ)] - those [among them] who believed in Allāh and the Last Day and did righteousness - will have their reward with their Lord, and no fear will there be concerning them, nor will they grieve. (Surah Al-Baqarah, 2:62)

وَمَن يَرْغَبُ عَن مِّلَّةِ إِبْرَاهِيمَ إِلَّا مَن سَفِهَ نَفْسَهُ وَلَقَدِ اصْطَفَيْنَاهُ فِي الدُّنْيَا وَإِنَّهُ فِي الْآخِرَةِ لَمِنَ الصَّالِحِينَ ١٣٠

الصَّالِحِينَ l-ṣāliḥīna · the righteous

And who would be averse to the religion of Abraham except one who makes a fool of himself. And We had chosen him in this world, and indeed he, in the Hereafter, will be among the righteous. (Surah Al-Baqarah, 2:130)

وَبَشِّرِ الَّذِينَ آمَنُوا وَعَمِلُوا الصَّالِحَاتِ أَنَّ لَهُمْ جَنَّاتٍ تَجْرِي مِن تَحْتِهَا الْأَنْهَارُ كُلَّمَا رُزِقُوا مِنْهَا مِن ثَمَرَةٍ رِّزْقًا قَالُوا هَٰذَا الَّذِي رُزِقْنَا مِن قَبْلُ وَأُتُوا بِهِ مُتَشَابِهًا وَلَهُمْ فِيهَا أَزْوَاجٌ مُّطَهَّرَةٌ وَهُمْ فِيهَا خَالِدُونَ ٢٥

الصَّالِحَاتِ l-ṣāliḥāti · [the] righteous deeds

And give good tidings to those who believe and do righteous deeds that they will have gardens [in Paradise] beneath which rivers flow. Whenever they are provided with a provision of fruit therefrom, they will say, "This is what we were provided with before." And it is given to them in likeness. And they will have therein purified spouses, and they will abide therein eternally. (Surah Al-Baqarah, 2:25)

إِلَّا الَّذِينَ تَابُوا وَأَصْلَحُوا وَبَيَّنُوا فَأُولَٰئِكَ أَتُوبُ عَلَيْهِمْ وَأَنَا التَّوَّابُ الرَّحِيمُ ١٦٠

وَأَصْلَحُوا wa-aṣlaḥū · and reform[ed]

Except for those who repent and correct themselves and make evident [what they concealed]. Those - I will accept their repentance, and I am the Accepting of Repentance, the Merciful. (Surah Al-Baqarah, 2:160)

فِي الدُّنْيَا وَالْآخِرَةِ وَيَسْأَلُونَكَ عَنِ الْيَتَامَىٰ قُلْ إِصْلَاحٌ لَّهُمْ خَيْرٌ وَإِن تُخَالِطُوهُمْ فَإِخْوَانُكُمْ وَاللَّهُ يَعْلَمُ الْمُفْسِدَ مِنَ الْمُصْلِحِ وَلَوْ شَاءَ اللَّهُ لَأَعْنَتَكُمْ إِنَّ اللَّهَ عَزِيزٌ حَكِيمٌ ٢٢٠

إِصْلَاحٌ iṣ'lāḥun · Setting right (their affairs)

To this world and the Hereafter. And they ask you about orphans. Say, "Improvement for them is best. And if you mix your affairs with theirs - they are your brothers. And Allāh knows the corrupter from the amender. And if Allāh had willed, He could have put you in difficulty. Indeed, Allāh is Exalted in Might and Wise." (Surah Al-Baqarah, 2:220)

وَإِذَا قِيلَ لَهُمْ لَا تُفْسِدُوا فِي الْأَرْضِ قَالُوا إِنَّمَا نَحْنُ مُصْلِحُونَ ١١

مُصْلِحُونَ muṣ'liḥūna · (are) reformers

And when it is said to them, "Do not cause corruption on the earth," they say, "We are but reformers." (Surah Al-Baqarah, 2:11)