Reference

Luke 18:30

Who shall not receive manifold more in this present time, and in the world to come life everlasting.
28

Then Peter said, Lo, we have left all, and followed thee.

29

And he said unto them, Verily I say unto you, There is no man that hath left house, or parents, or brethren, or wife, or children, for the kingdom of God’s sake,

30

Who shall not receive manifold more in this present time, and in the world to come life everlasting.

31

Then he took unto him the twelve, and said unto them, Behold, we go up to Jerusalem, and all things that are written by the prophets concerning the Son of man shall be accomplished.

32

For he shall be delivered unto the Gentiles, and shall be mocked, and spitefully entreated, and spitted on:

Counter-Arguments

The strongest case that this verse does not belong in this theme.

Inherent Immortality

The verse speaks of receiving "life everlasting" in the world to come, which is a gift or reward, not an inherent quality of the soul or spirit.