Alright, we have a question. Can it be proven that the Bible is valid sacred text without quoting the Bible? Can the Koran be proven without quoting the Koran? Simply put, can we use some methodology to figure out which one is more likely correct? I think that we should try to keep the talk charitable. No anti- anything on this thread please.
The only (singular) way of proving anything is “sacred” is by revelation from the “sacred source”, assuming the source is actually sacred.
Any other “method” is not “proof” at all, but only “persuasion”.
Some beings are VERY good at “persuasion”. Such as, … well you know.
The only way to have any chance of getting actual revelation from an actual sacred source is to appeal to for revelation.
This assumes that if you were to appeal to THE most good and THE most omnipotent (!?) source of sacredness, <insert “probably singular” pronoun here> would be able to overide any “lesser power” and see to it that you got what you sought.
Only prayer in petition to the actual God who is God for confirmation that He is God can establish that He is indeed the source of the sacred.
And armed with this, we can know what ( who!? ) His singular temporal “outlet” of authority is. And armed with that, we can confirm which texts are truly sacred, by simply asking Him (The Church who is the Body of Christ).
In other words, YES, You CAN confirm that the bible is a valid sacred text without using the bible to confirm itself as sacred.
But the singular way of doing so annoys very nearly everyone but a “good” Catholic.