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Q155. How is the word made effectual to salvation?

A. The Spirit of God makes the reading, but especially the preaching of the word, an effectual means of enlightening, convincing, and humbling sinners; of driving them out of themselves, and drawing them unto Christ; of conforming them to his image, and subduing them to his will; of strengthening them against temptations and corruptions; of building them up in grace, and establishing their hearts in holiness and comfort through faith unto salvation.

See also in WCF: 21.1, 21.2, 21.4, 27.1 See also in WSC: Q88, Q89 Compare: The Sacraments and Means of Grace
Neh. 8:8
[8] They read from the book, from the Law of God, clearly, and they gave the sense, so that the people understood the reading.
Acts 26:18
[18] to open their eyes, so that they may turn from darkness to light and from the power of Satan to God, that they may receive forgiveness of sins and a place among those who are sanctified by faith in me.’
Ps. 19:8
[8] the precepts of the LORD are right, rejoicing the heart; the commandment of the LORD is pure, enlightening the eyes;
1 Cor. 14:24-25
[24] But if all prophesy, and an unbeliever or outsider enters, he is convicted by all, he is called to account by all, [25] the secrets of his heart are disclosed, and so, falling on his face, he will worship God and declare that God is really among you.
2 Chr. 34:18-19,26-28
[18] Then Shaphan the secretary told the king, “Hilkiah the priest has given me a book.” And Shaphan read from it before the king. [19] And when the king heard the words of the Law, he tore his clothes. [26] But to the king of Judah, who sent you to inquire of the LORD, thus shall you say to him, Thus says the LORD, the God of Israel: Regarding the words that you have heard, [27] because your heart was tender and you humbled yourself before God when you heard his words against this place and its inhabitants, and you have humbled yourself before me and have torn your clothes and wept before me, I also have heard you, declares the LORD. [28] Behold, I will gather you to your fathers, and you shall be gathered to your grave in peace, and your eyes shall not see all the disaster that I will bring upon this place and its inhabitants.’” And they brought back word to the king.
Acts 2:37,41
[37] Now when they heard this they were cut to the heart, and said to Peter and the rest of the apostles, “Brothers, what shall we do?” [41] So those who received his word were baptized, and there were added that day about three thousand souls.
Acts 8:27-39
[27] And he rose and went. And there was an Ethiopian, a eunuch, a court official of Candace, queen of the Ethiopians, who was in charge of all her treasure. He had come to Jerusalem to worship [28] and was returning, seated in his chariot, and he was reading the prophet Isaiah. [29] And the Spirit said to Philip, “Go over and join this chariot.” [30] So Philip ran to him and heard him reading Isaiah the prophet and asked, “Do you understand what you are reading?” [31] And he said, “How can I, unless someone guides me?” And he invited Philip to come up and sit with him. [32] Now the passage of the Scripture that he was reading was this: “Like a sheep he was led to the slaughter and like a lamb before its shearer is silent, so he opens not his mouth. [33] In his humiliation justice was denied him. Who can describe his generation? For his life is taken away from the earth.” [34] And the eunuch said to Philip, “About whom, I ask you, does the prophet say this, about himself or about someone else?” [35] Then Philip opened his mouth, and beginning with this Scripture he told him the good news about Jesus. [36] And as they were going along the road they came to some water, and the eunuch said, “See, here is water! What prevents me from being baptized?” [38] And he commanded the chariot to stop, and they both went down into the water, Philip and the eunuch, and he baptized him. [39] And when they came up out of the water, the Spirit of the Lord carried Philip away, and the eunuch saw him no more, and went on his way rejoicing.
2 Cor. 3:18
[18] And we all, with unveiled face, beholding the glory of the Lord, are being transformed into the same image from one degree of glory to another. For this comes from the Lord who is the Spirit.
2 Cor. 10:4-6
[4] For the weapons of our warfare are not of the flesh but have divine power to destroy strongholds. [5] We destroy arguments and every lofty opinion raised against the knowledge of God, and take every thought captive to obey Christ, [6] being ready to punish every disobedience, when your obedience is complete.
Rom. 6:17
[17] But thanks be to God, that you who were once slaves of sin have become obedient from the heart to the standard of teaching to which you were committed,
Matt. 4:4,7,10
[4] But he answered, “It is written, “‘Man shall not live by bread alone, but by every word that comes from the mouth of God.’” [7] Jesus said to him, “Again it is written, ‘You shall not put the Lord your God to the test.’” [10] Then Jesus said to him, “Be gone, Satan! For it is written, “‘You shall worship the Lord your God and him only shall you serve.’”
Eph. 6:16-17
[16] In all circumstances take up the shield of faith, with which you can extinguish all the flaming darts of the evil one; [17] and take the helmet of salvation, and the sword of the Spirit, which is the word of God,
Ps. 19:11
[11] Moreover, by them is your servant warned; in keeping them there is great reward.
1 Cor. 10:11
[11] Now these things happened to them as an example, but they were written down for our instruction, on whom the end of the ages has come.
Acts 20:32
[32] And now I commend you to God and to the word of his grace, which is able to build you up and to give you the inheritance among all those who are sanctified.
2 Tim. 3:15-17
[15] and how from childhood you have been acquainted with the sacred writings, which are able to make you wise for salvation through faith in Christ Jesus. [16] All Scripture is breathed out by God and profitable for teaching, for reproof, for correction, and for training in righteousness, [17] that the man of God may be complete, equipped for every good work.
Rom. 1:16
[16] For I am not ashamed of the gospel, for it is the power of God for salvation to everyone who believes, to the Jew first and also to the Greek.
Rom. 10:13-17
[13] For “everyone who calls on the name of the Lord will be saved.” [14] How then will they call on him in whom they have not believed? And how are they to believe in him of whom they have never heard? And how are they to hear without someone preaching? [15] And how are they to preach unless they are sent? As it is written, “How beautiful are the feet of those who preach the good news!” [16] But they have not all obeyed the gospel. For Isaiah says, “Lord, who has believed what he has heard from us?” [17] So faith comes from hearing, and hearing through the word of Christ.
Rom. 15:4
[4] For whatever was written in former days was written for our instruction, that through endurance and through the encouragement of the Scriptures we might have hope.
Rom. 16:25
[25] Now to him who is able to strengthen you according to my gospel and the preaching of Jesus Christ, according to the revelation of the mystery that was kept secret for long ages
1 Thess. 3:2,10-11,13
[2] and we sent Timothy, our brother and God's coworker in the gospel of Christ, to establish and exhort you in your faith, [10] as we pray most earnestly night and day that we may see you face to face and supply what is lacking in your faith? [11] Now may our God and Father himself, and our Lord Jesus, direct our way to you, [13] so that he may establish your hearts blameless in holiness before our God and Father, at the coming of our Lord Jesus with all his saints.

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The Means of Grace

The Word, sacraments, and prayer as means of grace

Q149. Is any man able perfectly to keep the commandments of God?

A. No man is able, either of himself, or by any grace received in this life, perfectly to keep the commandments of God; but doth daily break them in thought, word, and deed.

Q150. Are all transgressions of the law of God equally heinous in themselves, and in the sight of God?

A. All transgressions of the law of God are not equally heinous; but some sins in themselves, and by reason of several aggravations, are more heinous in the sight of God than others.

Q151. What are those aggravations that make some sins more heinous than others?

A. Sins receive their aggravations, 1. From the persons offending: if they be of riper age, greater experience or grace, eminent for profession, gifts, place, office, guides to others, and whose example is likely to be followed by others. 2. From the parties offended: if immediately against God, his attributes, and worship; against Christ, and his grace; the Holy Spirit, his witness, and workings; against superiors, men of eminency, and such as we stand especially related and engaged unto; against any of the saints, particularly weak brethren, the souls of them, or any other, and the common good of all or many. 3. From the nature and quality of the offense: if it be against the express letter of the law, break many commandments, contain in it many sins: if not only conceived in the heart, but breaks forth in words and actions, scandalize others, and admit of no reparation: if against means, mercies, judgments, light of nature, conviction of conscience, public or private admonition, censures of the church, civil punishments; and our prayers, purposes, promises, vows, covenants, and engagements to God or men: if done deliberately, wilfully, presumptuously, impudently, boastingly, maliciously, frequently, obstinately, with delight, continuance, or relapsing after repentance. 4. From circumstances of time and place: if on the Lord's day, or other times of divine worship; or immediately before or after these, or other helps to prevent or remedy such miscarriages: if in public, or in the presence of others, who are thereby likely to be provoked or defiled.

Q152. What doth every sin deserve at the hands of God?

A. Every sin, even the least, being against the sovereignty, goodness, and holiness of God, and against his righteous law, deserveth his wrath and curse, both in this life, and that which is to come; and cannot be expiated but by the blood of Christ.

Q153. What doth God require of us, that we may escape his wrath and curse due to us by reason of the transgression of the law?

A. That we may escape the wrath and curse of God due to us by reason of the transgression of the law, he requireth of us repentance toward God, and faith toward our Lord Jesus Christ, and the diligent use of the outward means whereby Christ communicates to us the benefits of his mediation.

Q154. What are the outward means whereby Christ communicates to us the benefits of his mediation?

A. The outward and ordinary means whereby Christ communicates to his church the benefits of his mediation, are all his ordinances; especially the word, sacraments, and prayer; all which are made effectual to the elect for their salvation.

Q155. How is the word made effectual to salvation?

A. The Spirit of God makes the reading, but especially the preaching of the word, an effectual means of enlightening, convincing, and humbling sinners; of driving them out of themselves, and drawing them unto Christ; of conforming them to his image, and subduing them to his will; of strengthening them against temptations and corruptions; of building them up in grace, and establishing their hearts in holiness and comfort through faith unto salvation.

Q156. Is the word of God to be read by all?

A. Although all are not to be permitted to read the word publicly to the congregation, yet all sorts of people are bound to read it apart by themselves, and with their families: to which end, the holy scriptures are to be translated out of the original into vulgar languages.

Q157. How is the word of God to be read?

A. The holy scriptures are to be read with an high and reverent esteem of them; with a firm persuasion that they are the very word of God, and that he only can enable us to understand them; with desire to know, believe, and obey the will of God revealed in them; with diligence, and attention to the matter and scope of them; with meditation, application, self-denial, and prayer.

Q158. By whom is the word of God to be preached?

A. The word of God is to be preached only by such as are sufficiently gifted, and also duly approved and called to that office.

Q159. How is the word of God to be preached by those that are called thereunto?

A. They that are called to labor in the ministry of the word, are to preach sound doctrine, diligently, in season and out of season; plainly, not in the enticing words of man's wisdom, but in demonstration of the Spirit, and of power; faithfully, making known the whole counsel of God; wisely, applying themselves to the necessities and capacities of the hearers; zealously, with fervent love to God and the souls of his people; sincerely, aiming at his glory, and their conversion, edification, and salvation.

Q160. What is required of those that hear the word preached?

A. It is required of those that hear the word preached, that they attend upon it with diligence, preparation, and prayer; examine: What they hear by the scriptures; receive the truth with faith, love, meekness, and readiness of mind, as the word of God; meditate, and confer of it; hide it in their hearts, and bring forth the fruit of it in their lives.