Nay, one cause of corruption in religion is the refusal to follow the course of doctrine as it moves on, and an obstinacy in the notions of the past. Certainly: as we see conspicuously in the history of the chosen race. The Samaritans who refused to add the Prophets to the Law, and the Sadducees who denied a truth which was covertly taught in the Book of Exodus, were in appearance only faithful adherents to the primitive doctrine. Our Lord found His people precisians in their obedience to the letter; He condemned them for not being led on to its spirit, that is, to its developments. The Gospel is the development of the Law; yet what difference seems wider than that which separates the unbending rule of Moses from the "grace and truth" which "came by Jesus Christ?" Samuel had of old time fancied that the tall Eliab was the Lord's anointed; and Jesse had thought David only fit for the sheepcote; and when the Great King came, He was "as a root out of a dry ground;" but strength came out of weakness, and out of the strong sweetness.
So it is in the case of our friends; the most obsequious are not always the truest, and seeming cruelty is often genuine affection. We know the conduct of the three daughters in the drama towards the old king. She who had found her love "more richer than her tongue," and could not "heave her heart into her mouth," was in the event alone true to her father.
9.
An idea then does not always bear about it the same external image; this circumstance, however, has no force to weaken the argument for its substantial identity, as drawn from its external sameness, when such sameness remains. On the contrary, for that very reason, unity of type becomes so much the surer guarantee of the healthiness and soundness of developments, when it is persistently preserved in spite of their number or importance.
SECTION II.
SECOND NOTE. CONTINUITY OF PRINCIPLES.
As in mathematical creations figures are formed on distinct formulæ, which are the laws under which they are developed, so it is in ethical and political subjects. Doctrines expand variously according to the mind, individual or social, into which they are received; and the peculiarities of the recipient are the regulating power, the law, the organization, or, as it may be called, the form of the development. The life of doctrines may be said to consist in the law or principle which they embody.
Principles are abstract and general, doctrines relate to facts; doctrines develope, and principles at first sight do not; doctrines grow and are enlarged, principles are permanent; doctrines are intellectual, and principles are more immediately ethical and practical. Systems live in principles and represent doctrines. Personal responsibility is a principle, the Being of a God is a doctrine; from that doctrine all theology has come in due course, whereas that principle is not clearer under the Gospel than in paradise, and depends, not on belief in an Almighty Governor, but on conscience.
Yet the difference between the two sometimes merely exists in our mode of viewing them; and what is a doctrine in one philosophy is a principle in another. Personal responsibility may be made a doctrinal basis, and develope into Arminianism or Pelagianism. Again, it may be discussed whether infallibility is a principle or a doctrine of the Church of Rome, and dogmatism a principle or doctrine of Christianity. Again, consideration for the poor is a doctrine of the Church considered as a religious body, and a principle when she is viewed as a political power.