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Mortality of the Soul

θνητὴ ψυχή

The Epicurean liberation: the soul is made of atoms, so it scatters at death — which is why 'death is nothing to us.'

The mortality of the soul, or animus mortalis, is the Epicurean doctrine that the mind and soul are not immortal but dissolve and perish when the body dies. Lucretius, the Roman Epicurean poet, championed this view as a central tenet of Epicureanism, arguing that both body and soul are material compounds that eventually break down. This belief offered psychological comfort to Epicureans by eliminating fear of divine punishment in an afterlife and reframing death as simple non-existence rather than suffering.

For Epicureans, accepting the soul's mortality meant death should not be feared. Since consciousness and sensation cease entirely at death, there can be no experience of pain or torment afterward. This reasoning freed adherents from anxiety about judgment in the underworld or eternal punishment, allowing them to focus on achieving tranquility and modest pleasure in their present lives without dread of supernatural consequences.

Where this idea shows up

24 Greek sources

Where to read it