We are embassadors of the gospel of Christ not of the law

"What the great and main business of us that profess ourselves to be the ministers of Christ, ought to be in the world with men. It is to be lamented, I confess, and I would to God there were no occasion to speak of it, whilst we profess ourselves to be the ambassadors of Christ, to dispatch this great business, to beseech men in Christ's stead to be reconciled unto God; we are too much the ministers of Moses, pressing and thundering the wrath of God from heaven; publishing unto men the working out their own salvation by their own works, according to the law; putting on them the performance of duties in every particular, that they may have peace and joy of spirit from it; telling them, that they must make their peace with God, by fasting, and prayer, and mourning: is this to beseech men in Christ's stead to be reconciled unto God by Christ alone? This is the embassage of the ministers of the gospel; and whoever he be that forsake this message, he goes, and is not sent; he takes upon him to manage a business out of his commission; for the commission is, that we in Christ's stead should beseech men to be reconciled unto God, and by the blood of Christ alone." Tobias Crisp, Christ Alone Exalted v. 2, pg. 5 - 6