Paul is speaking here not about an individual person being chosen, or even more an individual person not being chosen but being rejected by God. Paul is not speaking, most likely, at that individual level. Instead, what he’s showing us is a map of our salvation—where we are headed, where we started—which is in Christ, the means of which is His blood and the cross that achieves our forgiveness and makes us a holy people, and not just us as a holy people but also that all things in heaven and on earth