For to fear death, O Athenians! is nothing else than to appear to be wise, without being so; for it is to appear to know what one does not know. For no one knows but that death is the greatest of all good to man; but men fear it, as if they well knew that it is the greatest of evils. And how is not this the most reprehensible ignorance, to think that one knows what one does not know? But