Likewise, the line of covenant-historical development cannot be properly understood apart from a topical presentation or concern. And so when we’re thinking about the relationship between systematic theology and biblical theology, Vos reminds us to come back to—what?—that at every point along the line of covenant-historical revelation you can see the beginnings or the initial expressions of the systematizing process. And you can think of revelation as a movement in history that can be topically presented,