The doctrine of the covenant of redemption. Wherein is laid the foundation of all…

1. He accepted of and took upon him to perform th• work of Redemption, and thereby he received the Relative Title of Redeemer from Eternity. To this the Scripture ⟨p. 57⟩bears witness, when it tells us, that he was the Lamb slain from the Foundations of the World, Rev. 13.8. and when it saith that we are Chosen in him, to obtain Redemption by him, Eph, 1.4, 7. which Scriptures clearly express his designation to this Office and Work, and this being personal, hence there was, not only the Father Propounding, but the Son also consenting and accepting: so that this amounts properly to one Article of the Covenant: for we cannot rationally suppose a person free, sovereign, and under no natural obligation to it, to be designed, constituted, and set apart to an Office, without his own free and voluntary consent. Hereupon it follows, that on this very score or account, all the old Testament believers, dying before his appearing in the flesh, went to heaven upon the credit of his undertaking; having their sins discounted, and their happiness conferred upon them, in the merit of that satisfaction and obedience which he had engaged for.

2 He undertook and engaged to do all that which was requisite for the performance and accomplishment of this Redemption, and this is necessarily inferred upon the former. He who takes upon him to do any ⟨p. 58⟩work, engageth himself to do all that without which the work cannot be done. What this was will appear, both by taking a view of that which was needful for mans recovery from misery, and being restored to favour and happiness; and by observing what it was that the son of God did actually perform. Whatever Christ did go thorough here, was according to the fore knowledge and determinate Counsel of God; i. e. the Covenant between God the Father and the Son▪ and this was summarily in two things