Angels, as we learn from the Qur'an, are the servants of Allah, who carry out His commands. Allah has assigned them different duties. Gabriel, for instance, delivers the divine revelation to prophets. There are the angels on each side of a man, writing down whatever he does; angels welcoming people to Paradise, and those angels who are the guardians of the Hell; the angels that take back the souls of men, the angels who assist the believers, the angels who communicate to the messengers who among their rebellious people will receive Allah's punishment, the angels who give the good news of a newborn to the messengers. Angels are obedient beings, who are never arrogant, but who continually glorify Allah:
Throughout history, angels have delivered Allah's commands to mankind. Angels appeared to many prophets, and, in some cases, to sincere believers, such as Mary, and communicated to them the commands and the divine wisdom of Allah. Allah informs us about faith in angels in the Qur'an, making it a prerequisite of faith in the Qur'an for Islam. In a verse of the Qur'an, it is stated that faith in angels is an attribute of a believer: