The soul is not a unit that is definable.

sou

It is instead an undefinable quality. It cannot be broken down or built up, destroyed or expanded, yet it can change affiliation and organization, and its characteristics, while ever remaining itself.

ee44

The soul within the fetus cannot be destroyed by any kind of abortion, for instance. It’s progress cannot be charted, for it will always escape such calculations. It’s history is in future, which always creates the past.