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 Qur’an Aal-Imran (3:103)WaiAAtasimoo bihabli Allahi jameeAAan wala tafarraqoo waothkuroo niAAmata Allahi AAalaykum ith kuntum aAAdaan faallafa bayna quloobikum faasbahtum biniAAmatihi ikhwanan wakuntum AAala shafa hufratin mina alnnari faanqathakum minha kathalika yubayyinu Allahu lakum ayatihi laAAallakum tahtadoona
Lit., "a pit of fire" - a metaphor of the sufferings which are the inescapable consequence of spiritual ignorance. The reminder of their one-time mutual enmity is an allusion to man's lot on earth (cf. 2:36 and 7:24 ), from which only God's guidance can save him (see {2:37-38}).
i.e., Allah’s covenant.
The simile is that of people struggling in deep water, to whom a benevolent Providence stretches out a strong and unbreakable rope of rescue. If all hold fast to it together, their mutual support adds to the chance of their safety.
Yathrib was torn with civil and tribal feuds and dissensions before the Messenger of Allah set his feet on its soil. After that, it became the City of the Prophet, Madinah, and unmatched Brotherhood, and the pivot of Islam. This poor quarrelsome world is a larger Yathrib: can we establish the sacred feet on its soil, and make it a new and larger Madinah?