And fashion not yourselves like unto this world: But be changed through the renewing of your mind, that ye may prove what thing that good, that acceptable, and perfect will of God is.

It is just like the way in which through one man sin came into the world, and death followed sin, and so death spread to all men, because all men sinned.

For if their rejection [by God] meant that [the rest of] the world could be restored to favor [with God], what would [God's] receiving the Jews back into fellowship be, except like dead people coming back to life?

For I am fully persuaded that neither death nor life, Neither angels nor principalities, nor powers, Neither the present world nor the world to come, Nor the powers of Nature,

Now, if their fall be the riches of the world, and their loss be the riches of the Gentiles, how much more shall their full acceptance be the riches of the world?

And just as Isaiah predicted:

If the Lord of Hosts had not left us offspring,
we would have become like Sodom,
and we would have been made like Gomorrah.