No doctrine concerning Scripture is of more practical importance to the Bible student than that which affirms its unity and harmony. Obviously, the trustworthiness, perspicuity and plenary inspiration of Scripture cannot be maintained aside from the belief that the Bible is a thoroughly self-consistent whole. The Westminster Confession of Faith in enumerating some of the “incomparable excellencies” of Scripture, mentions “the consent of all the parts”. And it is on the basis of a recognition of this essential feature that the Westminster divines laid down this “infallible rule” for the interpretation of Scripture?
It is upon this established biblical principle that the late professor Oswald T. Allis critiques the popular view of Dispensationalism and finds that it fails miserably. Allis examines several areas that are fundamental to Dispensationalism under the light of this principle and shows how it in serious violation of it.
This is a most informative article which all should become intimately familiar.
You can read this article here: Modern Dispensationalism and the Unity of Scripture
In His service and grace,