18. BRIEF ANALYSIS. The churches which by the Reformation separated themselves from the Roman Catholic Church, are from those who call themselves Evangelical and Reformed, likewise Protestants, or from the names of their leaders, Lutherans and Calvinists, among which the church of England holds the middle place. We shall say nothing here of the Greek church, which long ago separated from the Roman Catholic church. That the Protestant churches differ in various things, particularly concerning the Holy Supper, Baptism, election, and the Person of Christ, is known to many; but that they all agree in the articles of a Trinity of Persons in the Divinity, original sin, imputation of the merit of Christ, and justification by faith alone, is not universally known. The reason of this is, because few study into the differences of dogmas among the churches, and consequently the agreements. It is only the clergy that study the dogmas of their church, while the laity rarely enter deeply into them, and consequently into their differences. That nevertheless they agree in the four articles above mentioned, both in their general principles, and in most of the particulars, will appear evident to anyone if he will consult their books, or attend to their sermons. This, however, is premised and brought to the attention, on account of what follows.