IV. But that we may not be too tedious in this Preface, and prolong our Discourse beyond measure, let us now come directly to the Profession of our Faith; whereby those that have a mind may most easily and readily understand our Opinion. For it is necessary that those who are to discourse of these things, and to undergo an Examination of their proper Doctrines, do not give up themselves at random to the Opinion of the many, but that they have in their view all the way that Sacred Tradition which has obtain'd originally from our forefathers, as a sort of Rule and Guide; and to permit Men to make use of that as an exact Standard in the distinguishing and judging of those things that are to be said.