Just because a writing mentions another writing doesn't make the first writing to be the second writing. For instance, if I were to write a letter telling how valuable the Rodale cookbook is, that doesn't make my letter into the Rodale Cookbook. Here's another example. If I write an essay about the history of America, and if I quote Poor Richard's Almanac, my essay would not become the Poor Richard's Almanac. The fact that a written document quotes or mentions a fact or an item doesn't make that document to
The fact the book that is called the bible mentions something doesn't mean that it is the thing that it mentions. The fact theat the bible mentions the "word of God" doesn't mean that the bible itself is the word of God. Similarly, the that that the book of 1 Timothy mentions that "all scripture" ... "inspired by God" doesn't mean the the bible or the book of 1 Timothy is "scripture that has been inspired by God". This doesn't make the Bible any less valuable of a book than it is. Let's just be truthful about what is true and what is not true.