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SECT. II. Some Rules for expounding the Homoousion; and in what Sense the Fathers understood it.
SEcondly, Let us now examine what account the Nicene and Post-Nicene Fathers give of the Homoousion, and in what sense they understood it. But before I tell you what they expresly say of this matter, I shall observe by the way two or three Rules they give us for expounding the Homoousion, which are of great use in this Enquiry.
1. The first is, To give the Homoousion the right place in our Creed, as the Nicene Fathers have done. They do not tell us abruptly, in the first place, That the Son is con∣substantial, or of one Substance with the Father. They first tell us, That Jesus Christ our Lord is the only-begotten Son of God, begotten of his Father, that is, of the Sub∣stance of his Father, before all Worlds, God of God, Light of Light, Very God of Very God, Begotten, not made; and then they add, Of One Substance with the Fa∣ther.
This St. Hilary lays great stress on, and his Reason is very considerable;* 1.1 be∣cause if in the first place we say, Father and Son are consubstantial, or of One Substance, this is capable of an Hereti∣cal as well as Orthodox Sense, as we have already heard; for they may be One Substance in the Sabellian Notion, as that signifies One Person; or One by the Division or Partition of the same