Immortality

← Encyclopedia

Immortality is the claim that something in the human being does not perish at death. What that something is, and what its survival would mean, has been answered so differently across traditions that the single English word conceals a real disagreement — between a soul that was always deathless by nature, a body raised again by an act of God, and a self that is liberated out of birth and death altogether.

The Greek line is the one that shaped the West. Plato has Socrates argue, in the Phaedo, that the soul is simple, kindred to the eternal Forms, and therefore cannot dissolve as composite things do; death is its release from the body rather than its end. Plotinus and the later Platonists pressed the argument further, holding that the soul belongs by origin to the intelligible order and need only turn back toward its source. This is immortality as a fact about what the soul is — not a reward and not a rescue, but a property of its nature.

A different picture runs through the Hebrew and then the Christian scriptures. Early Israelite religion expected no bright afterlife at all, only the shadow existence of Sheol; the hope that emerged later was not the soul’s natural survival but resurrection — the dead raised, body and all, at the end of time by the God who made them. Scholars have long noted the tension when this hope met Greek philosophy: the church inherited both the resurrection of the body and the immortal soul, and spent centuries holding them together. Islam carried the bodily resurrection forward in its own terms.

The esoteric and Hermetic currents tend to read immortality as something achieved rather than simply possessed. The Hermetic writings speak of a mortal who, through knowledge, is reborn into a deathless condition and becomes a god — deification, not mere persistence. The alchemists’ search for an elixir that would not only transmute metals but prolong or perfect the body belongs here too, as does the Indian aim, in Vedānta and in yoga, of mokṣa: not the continuation of the personal self but its liberation from the whole round of rebirth, which is something other than living forever.

These are not variations on one doctrine, though they are often run together. The resemblances are real and worth following: each tradition is reaching toward the intuition that the human being is not finally identical with the perishing body. Yet a deathless soul, a raised body, a deified mind, and a self released from rebirth are distinct claims, and each tradition means its own with precision. What the word holds in common is narrower and stranger than any of them — the refusal to grant that death has the last word.

→ In the library: Plotinus — The Enneads (MacKenna): The Immortality of the Soul · Plato — Phaedo (Jowett)

→ Related: Gnosis · Neoplatonism · The One · Hermes Trismegistus