All men whilst they are awake are in one common world: but each of them when he is asleep is in a world of his own.
Plutarch (c. AD 46 – AD 120), later named, upon becoming a Roman citizen, Lucius Mestrius Plutarchus, was a Greek biographer and essayist, known primarily for his Parallel Lives and Moralia. He is classified as a Middle Platonist. Plutarch's surviving works were written in Greek, but intended for both Greek and Roman readers.
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