[RobbyS]

and is profitable for doctrine, for reproof, for correction, for instruction in righteousness, that the man of God may be perfect, throughly furnished unto all good works." The Scripture he is talking about, is, I think, the Old Testament. But even conceding that Paul also had a Christian canon in mind. this says only that by reading Scripture we can know how a righteous person should act.

[Conservative til I die]

and is profitable for doctrine, for reproof, for correction, for instruction in righteousness, that the man of God may be perfect, throughly furnished unto all good works." The Scripture he is talking about, is, I think, the Old Testament.

You're definitely correct here. Weren't all of Paul's letters written before the Gospels even?