4. This Covenant of Suretiship was made upon equal or like conditions and terms; there was an equality betwixt the stipulation and restipulation; the conditions promised to Christ, and these required from him by this Covenant; not that worthless man was a wager for God to work for; for he was far below the price that love put upon him. But understand it thus, (1.) There was an equality of Justice betwixt the conditions on the one part and the other; punitive Justice could exact no more of man, by the curse of the broken Covenant, than that which Christ suffered as his Surety, Gal. 3.13, Christ hath redeemed us from the curse of the Law, being made a curse for us; and remunerative Justice could give no less to his perfect obedience unto the Law of works, than the righteousness and life which he purchased, Rom. 8.4. That the righteousness of the Law might be fulfilled in us. (2.) There was an equality of proportion or merit betwixt the conditions required from, and performed by Christ, by virtue of this Covenant, and the conditions promised and performed unto Christ by this Covenant. Not a merit and satisfaction upon Christ's part de congruo (as the Schoolmen speak)6 whereby the friendship and love of the party injured doth accept of that which is not equivalent to the offence, which Vortius calleth God's Divine acceptilation(which properly had no place here, though the friendship and love betwixt God and Christ, be such as renders any thing done by him, acceptable); but a merit and satisfaction de condigno, there being a just and equal proportion betwixt the fault committed, and the satisfaction given, and betwixt the reward promised and given to Christ, and the obedience required from and performed by him, John 17.4,5, I have glorified thee on the earth, I have finished the work which thou gavest me to do. And now, O Father, glorify thou me with thine own self. Phil. 2.7,8, But made himself of no reputation, and took upon him the form of a servant, and was made in the likeness of man. And being found in fashion as a man, he humbled himself.—Wherefore God hath highly exalted him, &c.