[Melian]

Exactly, because only God can judge for sure how you lived out the teachings of Christ. He knows your heart inside and out and will be able to sift appropriately.

Even St. Paul was not 100% sure of his salvation but worked on it “with fear and trembling.”

[armydoc]

Even St. Paul was not 100% sure of his salvation but worked on it “with fear and trembling.”

Not quite. Paul commanded that we work out our salvation, i.e. produce works from the salvation that we already have. Try reading Romans and then tell me that Paul was unsure of his salvation.