Hebrews 8:6-7

But now, &c. In this verse begins the second part of the chapter concerning the difference between the two covenants, the old and the new, with the pre-eminence of the latter to the former, and of the ministry of Christ to that of the Jewish high-priests. He hath obtained a more excellent ministry, &c. His priesthood as much excels theirs as the promises of the gospel, whereof he is a surety, excelled those of the law; or, the excellence of his ministry above that of the Levitical priests is in proportion to the excellence of the covenant, whereof he is the Mediator, above the old covenant wherein they had ministered. With this argument the apostle closes his long discourse respecting the pre-eminence of Christ in his office above the high-priests of old, a subject to which he could not give too much evidence, nor too full a confirmation, considering that it was the very hinge on which his whole controversy with the Jews depended. For if that first covenant had been faultless If that dispensation had answered all God's designs and man's wants, if it had not been weak and unprofitable; then should no place, &c. “Although the Sinai covenant was well calculated to preserve the Jews from idolatry, and to give them the knowledge of their duty, it was faulty or imperfect in the following respects: 1st, The rites of worship which it enjoined, sanctified only to the purifying of the flesh, but not the consciences of the worshippers. 2d, These rites could be performed nowhere but in the tabernacle, or in the temple, consequently they could not be the religion of mankind. 3d, This covenant had no real sacrifices for sin, consequently it granted no pardon to any sinner. 4th, Its promises were all of a temporal kind. 5th, It required an unsinning obedience, which, in our present state, no one can give; and threatened death for every offence. See Galatians 4:3. No place have been sought for the second Since the first covenant is that which God made with the Israelites at Sinai by the publication of the law, the second covenant must be that which was made with mankind in general, by the publication of the gospel. Accordingly the publication of the gospel was foretold, (Jeremiah 31:31,) under the idea of making a new covenant with the house of Israel, &c., and the gospel itself is called (Isaiah 2:3,) the law which went forth from Zion. But it is to be observed, that the law of Moses is called the first covenant, not merely because it was prior to the gospel, but also because it was in some respects the same with the first covenant under which Adam was placed in paradise; for, like it, it required perfect obedience (in many cases) under the penalty of death, and allowed no pardon to any sinner, however penitent. It is likewise to be observed, that the gospel is called the second covenant, not merely because it was posterior to the law, but also because it is actually the same with the second covenant under which Adam was placed after the fall; for it requires, not a sinless, but a sincere obedience, and grants pardon to sinners on their repentance, see Galatians 3:10. However, though the rigour of the first covenant, (which, properly speaking, was the law of nature written on Adam's heart,) was mitigated under the second or gospel covenant, by the abolition of its curse, (Galatians 3:13,) its obligation, as a rule of life, never was, nor ever could be cancelled, but its [moral] precepts have constantly remained in force. Hence all the sins which men commit, and which are pardoned under the second covenant, are very properly called transgressions of the first, Hebrews 9:15.”