God makes all Scriptures alive by his living spirit. We can use all these writings to teach people the true doctrines, rebuke (or, criticize) people who do wrong, help people to correct their wrong ways, and show people how to live good (or, straight) lives. The purpose of all this, this verse seems to say, is to enable Christians to do whatever God wants them to. It is, however, possible to interpret this as result, in which case so that would be rendered “and as a result” (compare