The definition of Brotherhood varies between dictionaries, ranging from blood relationships to associations based on common interests and activities such as unions and professional associations. Islam redefined brotherhood in a new and profound manner by changing the relationship from one based on personal interest or mutual activity to a permanent bond based on belief and acceptance of Islam. Allah (swt) revealed: إِنَّمَا الْمُؤْمِنُونَ إِخْوَةٌ فَأَصْلِحُوا بَيْنَ أَخَوَيْكُمْ وَاتَّقُوا اللَّهَ لَعَلَّكُمْ تُرْحَمُونَ “The believers are nothing else than brothers. So make reconciliation between your brothers, and fear Allah, that you may receive mercy.”[TMQ 49:10] The Prophet (saw) also said about brotherhood: “None of you truly believes until he loves for his brother what he loves for himself.” [Bukhari & Muslim] Upon completion of the Hijrah and building the masjid in Madinah, the Prophet (saw) proceeded to establish one of the main pillars of an Islamic community ...
"Thoughts are the greatest wealth of any nation."