The Focus Is on the Gospel

There's a number of verses to talk about the faith, and it revolves around the true nature of the gospel. In galatians one 23, n i'll read that they only were hearing it said, he who used to persecute us is now preaching the faith he once tried to destroy. And this rightlyhe how do i want to say this? There are other scholars who would remark that the focus is on the gospel, rather than the detailed doctrinal formulas of later church history. Let's just put it that way.