The Rev. Thomas Boston composes a "Sinner's Prayer" I can get behind (Works, Vol. 11, pp. 380-381):
“O LORD, the God and Father of our Lord Jesus Christ, I confess I am by nature a lost sinner, wholly corrupted, and laid under the curse, in Adam, through the breach of the covenant of works; and have ruined myself more and more by my actual transgressions innumerable. I am convinced, and do acknowledge, that I am utterly unable to help myself in whole or in part, out of this gulf of sin and misery into which I am plunged; and that it is beyond the reach of the whole creation to help me out of it; so that I must inevitably perish for ever, if thine own strong hand do not make help to me.
“But forasmuch as there is a covenant of grace for life and salvation to lost sinners, established between THEE and thine own SON, the Lord Jesus Christ, as second Adam, wherein, upon condition of his fulfilling all righteousness, which is now performed in his having been born perfectly holy, lived altogether righteously, and made perfect satisfaction to justice by his death and sufferings, thou hast promised, that thou wilt be their God, and they shall be thy people, to the making of them holy aud happy for ever; and that this covenant is in Christ the head thereof, offered and exhibited to me in thy gospel; and thou callest me into the fellowship of it in him. Therefore, upon the warrant of, and in obedience to, thy command and call, I, a poor perishing sinner, do take hold of that covenant for life and salvation to me, believing on the name of Christ crucified, the head thereof, offered and exhibited to me as the Great High Priest, who, by the sacrifice of himself, hath made atonement, paid the ransom, and brought in everlasting righteousness for poor sinners. I credit his word of grace to me, and accordingly trust on him, that he with his righteousness will be mine, and that in and through him, God will be my God, and I shall be one of his people, to the making of me holy and happy for ever.
“O my God, I do by thy grace acquiesce in that covenant, as all my salvation, and all my desire. With my whole heart and soul, the Son incarnate is my only Priest, my Surety, my Intercessor, and my Redeemer; and, in him, the FATHER, my FATHER, the HOLY GHOST my SANCTIFIER; GOD in Christ my GOD. I resign myself soul and body to him, to be saved by his blood alone, renouncing all confidence in mine own righteousness, doings, and sufferings. With my whole heart and soul, he is my HEAD and HUSBAND; and I am his only, wholly, and for ever; to live by him, to him, and for him. I take him for my alone Prophet, Oracle, and Guide; give up myself wholly to him, to be taught, guided, and directed in all things, by his Word and Spirit; and renounce mine own wisdom, and the wisdom of this world. He is, with my heart’s consent, my alone King and Lord. And I resign myself wholly, soul and body, unto him, to be rescued by the strength of his mighty hand, from sin, death, the devil, and this present evil world, for to serve him for ever, and to be ruled by the will of his command, as to my duty, and the will of his providence, as to my lot. I am, with my whole heart, content (Lord, thou knowest) to part with, and do renounce every known sin, lust, or idol, and particularly my———, the sin which most easily besets me; together with my own foolish will, and all other lords besides him, without reservation, and without exception, against his cross;—protesting in thy sight, O Lord, that I am, through grace, willing to have discovered unto me, and upon discovery to part with every sin in me that I know not; and that the doubtings and averseness of heart mixed with this my accepting of thy covenant, are what I allow not; and that notwithstanding thereof, I look to be accepted of thee herein, in the Beloved, thine only Son and my Saviour, purging away these, with all my other sins, by his precious blood.
“Let it be recorded in heaven, O Lord, and let———, and whatever is here present, bear witness, that I, though most unworthy, have this day here taken hold of, and come into thy covenant of grace, offered and exhibited to me in thy gospel; and that thou art my God in the tenor of that covenant, and I am one of thy people, from henceforth and for ever.”
