Lethe alpha literally means "un-forgetfulness" or "un-concealment". Lethe, the river of forgetfulness, was one of the five rivers of the Greek underworld, the other four being Styx, Acheron (the river of sorrow), Cocytus (the river of lamentation) and Phlegethon (the river of fire). According to Statius, it bordered Elysium, the final resting place of the virtuous. Ovid wrote that the river flowed through the cave of Hypnos, god of sleep, where its murmuring would induce drowsiness. The shades of the dead were required to drink the waters of the Lethe in order to forget their earthly life. In the "Aeneid", Virgil
Book of the Dead regarded as the aspect of being which included intelligence and memory, was also protected with spells, and in case anything happened to the physical heart, it was common to bury jewelled heart scarabs with a body to provide a replacement. The "ka", or life-force, remained in the tomb with the dead body, and required sustenance from offerings of food, water and incense. In case priests or relatives failed to provide these offerings, Spell 105 ensured the "ka" was satisfied. The name of the dead person, which constituted their individuality and was required for their continued existence, was written in many