2. We cannot draw any hard and fast line between the time of the origin and that of the development of dogma; they rather shade off into one another. But we shall have to look for the final point of division at the time when an article of faith logically formulated and scientifically expressed, was first raised to the _articulus constitutivus ecclesiae_, and as such was universally enforced by the Church. Now that first happened when the doctrine of Christ, as the pre-existent and personal Logos of God, had obtained acceptance everywhere in the confederated Churches as the revealed and fundamental doctrine of faith, that is, about the end of the third century or the beginning of the fourth. We must therefore, in our account, take this as the final point of division.[1] As to the development of dogma, it seems to have closed in the Eastern Church with the seventh Oecumenical Council (787). After that time no further dogmas were set up in the East as revealed truths. As to the Western Catholic, that is, the Romish Church, a new dogma was promulgated as late as the year 1870, which claims to be, and in point of form really is, equal in dignity to the old dogmas. Here, therefore, the History of Dogma must extend to the present time. Finally, as regards the Protestant Churches, they are a subject of special difficulty in the sphere of the history of dogma; for at the present moment there is no agreement within these Churches as to whether, and in what sense, dogmas (as the word was used in the ancient Church) are valid. But even if we leave the present out of account and fix our attention on the Protestant Churches of the 16th century, the decision is difficult. For, on the one hand, the Protestant faith, the Lutheran as well as the Reformed (and that of Luther no less), presents itself as a doctrine of faith which, resting on the Catholic canon of scripture, is, in point of form, quite analogous to the Catholic doctrine of faith, has a series of dogmas in common with it, and only differs in a few. On the other hand, Protestantism has taken its stand in principle on the Gospel exclusively, and declared its readiness at all times to test all doctrines afresh by a true understanding of the Gospel. The Reformers, however, in addition to this, began to unfold a conception of Christianity which might be described, in contrast with the Catholic type of religion, as a new conception, and which indeed draws support from the old dogmas, but changes their original significance materially and formally. What this conception was may still be ascertained from those writings received by the Church, the Protestant symbols of the 16th century, in which the larger part of the traditionary dogmas are recognised as the appropriate expression of the Christian religion, nay, as the Christian religion itself.[2] Accordingly, it can neither be maintained that the expression of the Christian faith in the form of dogmas is abolished in the Protestant