Different Concepts
Hebrew concepts
Christian concepts
Others suggest the earliest depiction of angel is found in the annunciation scene at the catacombs of Priscilla in Rome dating from the 2nd century  AD.  But archaeological remains at the earlies Christian church found in Syria that was built  or remodeled in 233 AD shows no pictures of angels.  A synagogue found in the same spot however shows robed figures attending Moses.  For the early Christian church, the time of the angels had not yet come.  It wasn't until the reign of Constantine the Great from 306 to 337 AD that Christian art began to flourish and then we began to see the characteristics appearance of angels.
Some scholars say that the earliest religious representation of an angel was found at Ore, the Sumarian capital of the Hebrews.  A winged figure is shown descending from heaven to pour water from on overflowing jar into the cup held by a king.
According to Islamic tradition, angels were created from light.  An angel is an immortal that commits no sins, and serves as a guardina, a recorder of deeds and a link between God and humanity.  In contrast to humans, angels are incapable of unbelief and, with the exception of Satan, always obey God.

Despite these traits, Islamic doctrines holds that humans are superior to angels.  According to Islamic tradition, God entrusted humans and not the angels with the guardianship of the earth and commanded angels to prostrate themselves to Adam.
Islamic Tradition
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