What are hadiths about law of brotherhood? Examples of hadiths about law of brotherhood…
According to Abu Hurayra (ra), the Prophet (saw) said, “…It is enough evil for any man to despise his Muslim brother.” (Abu Daʾud, al-Adab, 35)
According to Anas b. Malik (ra), the Prophet (saw) said, “None of you will have faith till he wishes for his (Muslim) brother what he likes for himself.” (al-Bukhari, al-Iman, 7)
According to Abu Hurayra (ra), the Prophet (saw) said, “If anyone removes his brother’s anxiety of this world, Allah will remove for him one of the anxieties of the Day of Resurrection; if anyone makes it easy for an impoverished man, Allah will make it easy for him in this world and on the Day of Resurrection; if anyone conceals a Muslim’s secrets, Allah will conceal his secrets in this world and on the Day of Resurrection; Allah will remain in the aid of a servant so long as the servant remains in the aid of his brother.” (Abu Daʾud, al-Adab, 60)
According to al-Nuʿman b. Bashir (ra), the Prophet (saw) said, “The similitude of believers in regard to mutual love, affection, and fellow-feeling is that of one body; when any limb of it aches, the whole body aches, because of sleeplessness and fever.” (Muslim, al-Birr, 66)
According to Abu Hurayra (ra), the Prophet (saw) said, “Avoid suspicion, for suspicion is the gravest lie in talk, and do not be inquisitive about one another, and do not spy upon one another, and do not feel envy with the other, and nurse no malice, and nurse no aversion and hostility against one another. And be fellow-brothers and servants of Allah” (Muslim, al-Birr, 28)
Source: Presidency Of Religious Affairs The Turkey, Islam Through Hadiths