First, at one end of the spectrum, biblical theology can rule out theological proposals that contradict scriptural judgments or cohere awkwardly with other biblical concepts. As an extreme example, it is hard to imagine evangelical theology defending the morality of adultery. Second, at the other end of the spectrum, biblical theology can require doctrinal proposals (or aspects thereof) that are clear and central in Scripture. For an easy example on this other side, it is hard to imagine an evangelical