For men know not what the nature of the soul is; whether it is engendered with us, or whether, on the contrary, it is infused into us at our birth, whether it perishes with us, dissolved by death, or whether it haunts the gloomy shades and vast pools of Orcus.
Titus Lucretius Carus (1898). “Lucretius On the Nature of Things”, p.8
