Salvation vs. Redemption
Man has fallen to sin because of Adam and Eve. Due to the aftereffects of the Fall, man was beyond redemption. Our soul was incapable of being saved. Christ, by becoming man, who lived and died like all men, has redeemed us because He shared in our humanity so that we may share in his divinity. Now we are capable of receiving His grace and living with Him in heaven for all of eternity.
So redemption, as the blog post noted, is something that Christ did for all. When He died on the cross, He died for all. He died for Mary as much as he died for Hitler. But this was the redemption of man, as a whole. He redeemed our humanity, we became those who cannot be saved, to those who can be saved.
Now being saved is another matter. And that is salvation. Because we are redeemed, we can now be saved. But that now depends on us. Do we accept God’s love and grace? Do we live according to Christ’s commandments? Do we put our whole being into God’s hands?
Being redeemed doesn’t get you into heaven, being saved does. But you cannot be saved if you are not redeemed. So that is the first step and Christ did that for all. Now is the second step and it requires our cooperation.