“Me too. The Protestants claim they “know” they are “saved” (guaranteed) but they can’t tell you how they know that except that they really believe it! Well, the idea that just because someone believes in something doesn’t make it true somehow escapes them.”
Our claim is based on the promises in Scripture. If, as kosta50 has indicated, scripture is not trustworthy, then our ‘knowing’ may prove false. If scripture is what it claims to be, then we’ll be proven correct.
My premise is base don the lack of evidence who wriote what and when in the scirpture, and therefore not being able to tell which was inspired and which wasn't. Assuming that all of it si inspired is simply not tenable for objective reasons.
The scriptures are, then, accepted a priori on faith alone and that is a fallible human decision. Objective physical evidence indicates that the scriptures have been changed all along. The fact that our versions today largely agree with early 3rd century codices is a deliberate act and not some providential miracle.