I’ll start with a quick summary.
First comes the belief in predestination. God is in complete control of everything and has decided in advance His soverign plan for the world. Mere men cannot do anything at all to change this plan. God decided before he made the world about who would be saved. This decesion was not made based on anything that person would or would not do at any point in their lives. Then He extended His grace to those He chose and compels them to a belief in Him. Man is not more powerful than God and cannot resist this extended Grace. God never makes mistakes and if He decides to save you, it cannot be undone.
By OSAS to say that you can lose your slavation (to them) asserts that:
- God is not in control
- Jesus failed in His work as our Redeemer
- Satan is Glorified
- God breaks His promises
So you can see why they get rather upset at the idea of losing their salvation.
That is the basic progression, simplified. For someone who believes this, to say you can lose salvation denies the power of God to do what He chooses and sets man above God.
[quote= an OSAS preacher]By the way, if a person could be saved then lost again, the best thing we could do is just have a big iron pipe ready when somebody gets saved, knock them on the head while they were still saved, before they lose it so they won’t die and go to hell. You will be better off. If you are saved now, and you believe you can lose your salvation, the best thing to do is drive your car off that high-rise bridge down yonder, and go on to heaven while you are still saved. I would rather die right now and go to heaven, than to live on for forty years and lose my salvation in the process and die and go to hell. So, the best thing to do is get somebody to shoot you while you are still saved.
Hang on and I’ll go get the supporting scripture…