Among the oldest surviving written literature, see: https://en.wikipedia.org/wiki/Kesh_temple_hymn https://en.wikipedia.org/wiki/Kesh_temple_hymn https://en.w

Among the oldest surviving written literature, see: https://en.wikipedia.org/wiki/Kesh_temple_hymn https://en.wikipedia.org/wiki/Kesh_temple_hymn https://en.wikipedia.org/wiki/Instructions_of_Shuruppak https://en.wikipedia.org/wiki/Instructions_of_Shuruppak