Originally Posted by bookslover

Composing new confessions of faith is always possible because such secondary documents are always to be considered, in principle, errant and fallible. This is so because they are not products of biblical inspiration, but man-made documents.

Only the Old and New Testament scriptures, in their original Hebrew, Aramaic, and Greek manuscripts, are considered inspired. (Translations, of course, are not inspired.)

As for revising existing confessions of faith, of course - the same principle is involved.