Here is an interesting question:
If the Book of Timothy should be restricted TO Timothy because that is who the author was talking to, then should the words of Jesus "do this in remembrance of Me" be limited to only the 12 apostles, since they were the persons he was addressing?
Why do you "personalize" and isolate some Scripture, but not others, when in both cases the words were directed to an individual or a small group of people?
Ask Mr Rogers, to whose insistence that Christ promised the Holy Spirit to the individuals forming the Church, but not to the Church, I was responding.
ignore the original canon as constructed by the Orthodox church
We do not have substantial differences about the canon with the Orthodox. We include the Deuterocanon, and so do they. The minor disctintions that we have with them do not represent a doctrinal division between the Catholic Church and the Orthodox Churches.
“If the Book of Timothy should be restricted TO Timothy because that is who the author was talking to...”
Naturally, Timothy applies to all of us. When Paul wrote, “4Recalling your tears, I long to see you, so that I may be filled with joy.”, we know he was talking to Timothy, not all believers or a Church organization - he wasn’t longing to see Mr Rogers, or the Baptist Church, but Timothy.
But when he says “All scripture is good for...”, it applies to everyone, not just Timothy. It is a general statement.
The promise of the Holy Spirit was made to individuals, not a church body. When Jesus said. “And I will ask the Father, and he will give you another Counselor to be with you forever— the Spirit of truth. The world cannot accept him, because it neither sees him nor knows him. But you know him, for he lives with you and will be in you.”, he is obviously talking to individuals who believe, not all individuals or a church organization.
There are a handful of scripture passages that are unclear, and need study and humility. The vast majority of it is easy to understand, if it is just read like any other book.