It seems we both agree with Luther that justification by faith is the article in which the church stands or fall. Why do you seem to make other issues to be lines in the sand? There is much I do not agree with you, but I let it go because we seem to be united on the essentials. If you agree with Luther that the Catholic Church has fallen because of the rejection of the biblical doctrine of justification, why do you seem to unite with them?
I do not unite with them in any ecclesiastical sense. Because Rome herself teaches much that is wrong that does not mean I am willing to send them into Hell. Christ’s atoning work was sufficient to redeem anyone who places their faith in Him from any error in doctrine. I do not make holding to correct doctrine to be what saves us. Holding to the correct Savior is what saves us.
Roman Catholics (or Eastern Orthodox, for that matter) are not a mission field. I will discuss, debate, and argue against their teaching to try and convince them of biblical truth, but I’m not arrogant enough to assume that they are flaming heretics who must be converted or burn for eternity.
You gave me your approval of the Cambridge Declaration which denies unity with Rome because of justification. The Cambridge Declaration unites both Lutherans and Reformed Christians, but you seem to want division.
I consider any Christian, whether Roman, Lutheran, Arminian, or Calvinist to be a brother and sister in Christ. The true church is not defined by denomination or religious background. It is defined by faith in Christ. I see no reason to doubt the Catholic’s faith in Christ unless they give me a VERY good reason to do so. I do not unite with Rome because of her errors on the papacy, justification, the intercession of the saints, et al…but while I do not unite with her on the basis of pure doctrine I must, out of Christian love, unite with them in confessing one God, one Christ, one Spirit, one baptism, and one resurrection.
In the same sense that I divide from Rome, I divide from Geneva. I do not consider those who deny the Body and Blood of my Savior in the holy eucharist to be a small matter. I do not consider those who deny the saving work of baptism to be a small matter. I do not consider that those who affirm that God decrees who will go to Hell to be an issue worth uniting with them over. I think it pure folly to try and turn Luther into some crypto-Calvinist. Luther was less ecumenical than I am. He considered faithful Catholics to be Christians. He did NOT afford the same courtesy to Zwingli, Bucer, and the other early Reformed theologians. You really need to think twice about identifying Luther as someone who held to what you hold to.
Hoc est Corpus Meum!