Plato
Plato's doctrine is that every human soul has before birth known the moral and
philosophical truth, and that the moral differences between one man and another
during this life are attributable to differences in degree of the power of recollection
of what we have all once known and understood.
Happiness of the man is completed by a consideration of the life after death.
Socrates describes a vision of the life after death in the story of Er, the son of
Armenius.
Book X 617-621
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