This number and order of offices is essential. Because of our ignorance we need his prophetic office. Because of our alienation from God and the imperfection of the best of our service, we need his priestly office to reconcile us and present us to God as acceptable. Because of our aversion to, and utter inability to return to God, and for our rescue and keeping from spiritual enemies, we need his kingly office to convince, subdue, draw, uphold, deliver, and preserve us until we reach his heavenly kingdom.