Greek sea gods conform to a single type: that of Homer's "halios geron" or Old Man of the Sea: Nereus, Proteus, Glaucus and Phorkys. These sea gods are not as powerful as Poseidon, the main god of the oceans and seas. Each one is a shape-shifter, a prophet, and the father of either radiantly beautiful nymphs or hideous monsters (or both, in the case of Phorkys). Nymphs and monsters blur, for Hesiod relates that Phorcys was wed to the "beautiful-cheeked" Ceto, whose name is merely the feminine of the monstrous Cetus, to whom Andromeda was due to be sacrificed. Each appearance in myth
God is dead of an open sea, which can be both exhilarating and terrifying. The people who eventually learn to create their lives anew will represent a new stage in human existence, the — i.e. the personal archetype who, through the conquest of their own nihilism, themselves become a sort of mythical hero. The "death of God" is the motivation for Nietzsche's last (uncompleted) philosophical project, the "revaluation of all values". Although Nietzsche puts the statement "God is Dead" into the mouth of a "madman" in "The Gay Science", he also uses the phrase in his own voice in sections 108 and 343