Or do you say that Abraham and Ishmael and Isaac and Jacob and the Descendants were Jews or Christians? Say, "Are you more knowing or is Allāh?" And … - Muhammad Ali

Narrated Ikrima: Ali burnt some people and this news reached Ibn 'Abbas, who said, "Had I been in his place I would not have burnt them, as the Prophet said, 'Don't punish (anybody) with Allah's Punishment.' No doubt, I would have killed them, for the Prophet said, 'If somebody (a Muslim) discards his religion, kill him.' "

All mankind is from Adam and Eve, an Arab has no superiority over a non-Arab nor a non-Arab has any superiority over an Arab; also a white has no superiority over black nor a black has any superiority over white except by piety and good action. You know that every Muslim is the brother of another Muslim. Remember, one day you will appear before Allah and answer for your deeds. So beware, do not astray from the path of righteousness after I am gone.

that the Messenger of Allah (saw) said: "The curse of Allah is upon the one who offers a bribe and the one who takes it."