I would THINK the OSAS stand implies that 'backsliding' is impossible. If you backslide, you were never saved.
And here's the attack: How many who "backslide" thought they were saved before they died in their sins? If any, then how does this or that Christian KNOW (with the 'blessed assurance' so often spoken of) that he is not mistaken to think himself saved?
I think that's a serious question, not a game. I don't intend it as a game. I DID at one time find Kierkegaard's Work of Love very persuasive.
And here's the attack: How many who "backslide" thought they were saved before they died in their sins?
The simple answers to these simple questions are easily found in the scriptures...
1Jn 2:1 My little children, these things write I unto you, that ye sin not. And if any man sin, we have an advocate with the Father, Jesus Christ the righteous:
1Jn 1:8 If we say that we have no sin, we deceive ourselves, and the truth is not in us.
1Jn 1:9 If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.
1Jn 1:10 If we say that we have not sinned, we make him a liar, and his word is not in us.
If any, then how does this or that Christian KNOW (with the 'blessed assurance' so often spoken of) that he is not mistaken to think himself saved?
Another simple question with a simple answer...
Rom 8:15 For ye have not received the spirit of bondage again to fear; but ye have received the Spirit of adoption, whereby we cry, Abba, Father.
Rom 8:16 The Spirit itself beareth witness with our spirit, that we are the children of God:
I can only assume that you don't have the witness of the Spirit in your life...
Interesting thought: A parent can legally disown his natural born children, but lawfully, a parent can not disown an adopted child...