Full Idea
If the spirit is by nature immortal and is slipped into the body at birth, why do we retain no memory of an earlier existence, no impress of antecedent events?
Gist of Idea
If spirit is immortal and enters us at birth, why don't we remember a previous existence?
Source
Lucretius (On the Nature of the Universe [c.60 BCE], III.670)
Book Reference
Lucretius: 'On the Nature of the Universe', ed/tr. Latham,Ronald [Penguin 1951], p.116
A Reaction
Plato took the view that we do recall previous existence, as seen in our innate ideas. This problem forced the Christian church into the uncomfortable claim that God creates the soul at conception, but that it then goes on to immortality.