Love for your brother what you love for yourself Hadith
The Prophet (peace and blessings of Allah be upon him) said: لا يؤمن أحدكم حتي يحب لأخيه ما يحب لنفسه
None of you [truly] believes until he loves for his brother that which he loves for himself.
Hadith on severing relations between brothers
لَا یَحِلُّ لِمُؤمِنٍ اَنْ یَّجُهْرَ أخَاهُ فَوقَ ثَلَاثَةِ أیَّامٍ
It is unlawful for a believer to sever relations with his brother for more than three days.
Hadith 11, 40 Hadith Shah Waliullah
Book: Forty Hadith of Shah Waliullah Dehlawi
Hadith on fighting your brother in Islam
حَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ بَزِيعٍ، حَدَّثَنَا عَبْدُ الْحَكِيمِ بْنُ مَنْصُورٍ الْوَاسِطِيُّ، عَنْ عَبْدِ الْمَلِكِ بْنِ عُمَيْرٍ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ عَبْدِ اللَّهِ بْنِ مَسْعُودٍ، عَنْ أَبِيهِ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم “ قِتَالُ الْمُسْلِمِ أَخَاهُ كُفْرٌ وَسِبَابُهُ فُسُوقٌ ” . وَفِي الْبَابِ عَنْ سَعْدٍ وَعَبْدِ اللَّهِ بْنِ مُغَفَّلٍ . قَالَ أَبُو عِيسَى حَدِيثُ ابْنِ مَسْعُودٍ حَدِيثٌ حَسَنٌ صَحِيحٌ . وَقَدْ رُوِيَ عَنْ عَبْدِ اللَّهِ بْنِ مَسْعُودٍ مِنْ غَيْرِ وَجْهٍ .
Narrated Ibn Mas’ud: that the Messenger of Allah (ﷺ) said: “A Muslim’s fighting his brother is disbelief, and verbally abusing him is disobedience.” 1Jami` at-Tirmidhi 2634
Chapter 15: What Has Been Related That “Verbally Abusing A Muslim Is Disobedience”, Book 40: The Book on Faith
Hadith on hate and jealusy between brothers
حَدَّثَنَا أَبُو الْيَمَانِ، أَخْبَرَنَا شُعَيْبٌ، عَنِ الزُّهْرِيِّ، قَالَ حَدَّثَنِي أَنَسُ بْنُ مَالِكٍ ـ رضى الله عنه ـ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ “ لاَ تَبَاغَضُوا، وَلاَ تَحَاسَدُوا، وَلاَ تَدَابَرُوا، وَكُونُوا عِبَادَ اللَّهِ إِخْوَانًا، وَلاَ يَحِلُّ لِمُسْلِمٍ أَنْ يَهْجُرَ أَخَاهُ فَوْقَ ثَلاَثَةِ أَيَّامٍ ”.
Narrated Anas bin Malik: Allah’s Messenger (ﷺ) said, “Do not hate one another, and do not be jealous of one another, and do not desert each other, and O, Allah’s worshipers! Be brothers. Lo! It is not permissible for any Muslim to desert (not talk to) his brother (Muslim) for more than three days.” 2Sahih al-Bukhari 6065
Chapter 57: Jealousy and mutual estrangement are forbidden., Book 78: Good Manners and Form (Al-Adab)
حَدَّثَنَا يَحْيَى بْنُ بُكَيْرِ، حَدَّثَنَا اللَّيْثُ، عَنْ عُقَيْلٍ، عَنِ ابْنِ شِهَابٍ، أَنَّ سَالِمًا، أَخْبَرَهُ أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ ـ رضى الله عنهما ـ أَخْبَرَهُ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ “ الْمُسْلِمُ أَخُو الْمُسْلِمِ، لاَ يَظْلِمُهُ، وَلاَ يُسْلِمُهُ، وَمَنْ كَانَ فِي حَاجَةِ أَخِيهِ، كَانَ اللَّهُ فِي حَاجَتِهِ ”.
Narrated Abdullah binUmar: Allah’s Messenger (ﷺ) said, “A Muslim is a brother of another Muslim. So he should neither oppress him nor hand him over to an oppressor. And whoever fulfilled the needs of his brother, Allah will fulfill his needs.” 3Sahih al-Bukhari 6951
Chapter 7: The oath of a man that his companion is his brother when he fears, Book 89: (Statements made under) Coercion
Hadith about loving each other
حَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا يَحْيَى، عَنْ ثَوْرٍ، قَالَ حَدَّثَنِي حَبِيبُ بْنُ عُبَيْدٍ، عَنِ الْمِقْدَامِ بْنِ مَعْدِيكَرِبَ، – وَقَدْ كَانَ أَدْرَكَهُ – عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ “ إِذَا أَحَبَّ الرَّجُلُ أَخَاهُ فَلْيُخْبِرْهُ أَنَّهُ يُحِبُّهُ ” .
Narrated Al-Miqdam ibn Ma’dikarib:
The Prophet (ﷺ) said: When a man loves his brother, he should tell him that he loves him. 4Sunan Abi Dawud 5124
Chapter 123: When one man loves another because of some good that he sees, Book 43: General Behavior (Kitab Al-Adab)
وَعَنْ أَبِي ذَرٍّ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «لَا تَحْقِرَنَّ مِنَ الْمَعْرُوفِ شَيْئًا وَلَوْ أَنْ تَلْقَى أَخَاكَ بِوَجْهٍ طليق» . رَوَاهُ مُسلم
Abu Dharr reported God’s messenger as saying, “Do not consider any act of kindness insignificant, even meeting your brother with a cheerful face.”
Muslim transmitted it. 5Mishkat al-Masabih 1894
Chapter 7a: The Excellence of Sadaqa – Section 1, Book 6: Zakat