Surah Ali 'Imran 3:103

وَٱعْتَصِمُوا۟ بِحَبْلِ ٱللَّهِ جَمِيعًا وَلَا تَفَرَّقُوا۟ ۚ وَٱذْكُرُوا۟ نِعْمَتَ ٱللَّهِ عَلَيْكُمْ إِذْ كُنتُمْ أَعْدَآءً فَأَلَّفَ بَيْنَ قُلُوبِكُمْ فَأَصْبَحْتُم بِنِعْمَتِهِۦٓ إِخْوَٰنًا وَكُنتُمْ عَلَىٰ شَفَا حُفْرَةٍ مِّنَ ٱلنَّارِ فَأَنقَذَكُم مِّنْهَا ۗ كَذَٰلِكَ يُبَيِّنُ ٱللَّهُ لَكُمْ ءَايَـٰتِهِۦ لَعَلَّكُمْ تَهْتَدُونَ

And hold firmly to the rope of Allāh all together and do not become divided. And remember the favor of Allāh upon you - when you were enemies and He brought your hearts together and you became, by His favor, brothers. And you were on the edge of a pit of the Fire, and He saved you from it. Thus does Allāh make clear to you His verses that you may be guided.

Translation: Saheeh International

Tafsir

And hold fast to clutch God’s bond namely His religion together and do not scatter after submitting to Islam; remember God’s grace His bestowing of favours upon you O companies of the Aws and the Khazraj when you were enemies and He brought your hearts together through Islam so that by His grace you became brothers in …

Excerpt from Tafsir al-Jalalayn, commentary on 3:103, via Quran.com. The reader has the full commentary and 9 more tafsirs.