[armydoc]

In other words, salvation is only assured by living out the teachings of Christ.

Please correct me if I'm wrong, but I believe the Catholic Church teaches that you can never be assured of your salvation.

[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.”