Question 154: What are the outward means whereby Christ communicates to us the benefits of his mediation?
Answer: 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.
Question 155: How is the Word made effectual to salvation?
Answer: 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.
Question 156: Is the Word of God to be read by all?
Answer: 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.
Question 157: How is the Word of God to be read?
Answer: 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.
Question 158: By whom is the Word of God to be preached?
Answer: The Word of God is to be preached only by such as are sufficiently gifted, and also duly approved and called to that office