Afternoon Sermon: What Does The Ninth Commandment Forbid?, Baptist Catechism 83, Psalm 15

Baptist Catechism 83

Q. 83. What is forbidden in the ninth commandment?

A. The ninth commandment forbideth whatsoever is prejudicial to truth, or injurious to our own, or our neighbor’s good name. (Eph. 4:25; Ps. 15:3; 2 Cor. 8:20,21)

Scripture Reading: Psalm 15

“A PSALM OF DAVID. O LORD, who shall sojourn in your tent? Who shall dwell on your holy hill? He who walks blamelessly and does what is right and speaks truth in his heart; who does not slander with his tongue and does no evil to his neighbor, nor takes up a reproach against his friend; in whose eyes a vile person is despised, but who honors those who fear the LORD; who swears to his own hurt and does not change; who does not put out his money at interest and does not take a bribe against the innocent. He who does these things shall never be moved.” (Psalm 15, ESV)

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Please excuse any typos and misspellings within this manuscript. It has been published online for the benefit of the saints of Emmaus Reformed Baptist Church but without the benefit of proofreading.

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The ninth commandment is, “Thou shalt not bear false witness against thy neighbor.” Most basically, this commandment forbids lying especially in witness-bearing leading to the unjust treatment of our neighbor. But if we were to reflect more carefully upon this commandment, and if we were to consider all of the ways in which the scriptures tease this commandment out, we would see that this law does, in fact, forbid us from using our tongues in any way that is contrary to the truth. Brothers and sisters, we are to be men and women of the truth. We are to believe what is true, and we are to speak what is true. Anything short of this is sin. 

There is a resource that I would like to introduce you to that might help us to think more deeply about what the ninth commandment forbids, and that is the Westminster Larger Catechism. We use the Baptist Catechism, well, because we are Baptists. It is the Baptist’s version of another catechism called the Westminster Shorter Catechism, which is beloved by the paedobaptist Presbyterians. The two catechisms — the Baptist Catechism and Westminster Shorter Catechism — are very similar. But Presbyterians have another catechism called the Westminster Larger Catechism. It is called by that name because… it is larger. This catechism expands upon the questions and answers of the shorter catechism. To my knowledge, there is no Baptist version of the Larger Catechism, and so I will consult it from time to time for additional insight into our catechism.

I would like to read you the answer to question 145 of Larger Catechism which asks, What are the sins forbidden in the ninth commandment? The answer is much longer than the one given in the Shorter Catechism, and in the Baptist Catechism, but I find it helpful. As I read it greatly expanded my thoughts concerning what the ninth commandment forbids. 

“The sins forbidden in the ninth commandment are, all prejudicing the truth, and the good name of our neighbours, as well as our own, (1 Sam. 17:28, 2 Sam. 16:3, 2 Sam. 1:9,10,15–16) especially in public judicature; (Lev. 19:15, Hab. 1:4) giving false evidence, (Prov. 19:5, Prov. 6:16,19) suborning [bribing] false witnesses, (Acts 6:13) wittingly appearing and pleading for an evil cause, out-facing and overbearing the truth; (Jer. 9:3,5, Acts 24:2,5, Ps. 12:3–4, Ps. 52:1–4) passing unjust sentence, (Prov. 17:15, 1 Kings 21:9–14,10–11,13) calling evil good, and good evil; rewarding the wicked according to the work of the righteous, and the righteous according to the work of the wicked; (Isa. 5:23) forgery, (Ps. 119:69, Luke19:8, Luke 16:5–7) concealing the truth, undue silence in a just cause, (Lev. 5:1, Deut. 13:8, Acts 5:3,8–9, 2 Tim. 4:16) and holding our peace when iniquity calleth for either a reproof from ourselves, (1 Kings1:6, Lev. 19:17) or complaint to others; (Isa. 59:4) speaking the truth unseasonably, (Prov. 29:11) or maliciously to a wrong end, (1 Sam. 22:9–10, Ps. 52:1–5) or perverting it to a wrong meaning, (Ps. 56:5, John 2:19, Matt. 26:60–61) or in doubtful or equivocal expressions, to the prejudice of truth or justice; (Gen. 3:5, Gen. 26:7,9) speaking untruth, (Isa. 59:13) lying, (Lev. 19:11, Col. 3:9) slandering, (Ps. 50:20) backbiting, (James 4:11, Jer. 38:4) talebearing, (Lev. 19:16) whispering, (Rom. 1:29–30) scoffing, (Gen. 21:9, Gal. 4:29) reviling, (1 Cor. 6:10) rash, (Matt. 7:1) harsh, (Acts 28:4) and partial censuring; (Gen. 38:24, Rom. 2:1) misconstructing intentions, words, and actions; (Neh. 6:6–8, Rom. 3:8, Ps. 69:10, 1 Sam. 1:13–15, 2 Sam. 10:3) flattering, (Ps. 12:2–3) vain-glorious boasting; (2 Tim. 3:2) thinking or speaking too highly or too meanly of ourselves or others; (Luke 18:9,11, Rom. 12:16, 1 Cor. 4:6, Acts 12:22, Exod. 4:10–14) denying the gifts and graces of God; (Job 27:5,6, Job 4:6) aggravating smaller faults; (Matt. 7:3–5) hiding, excusing, or extenuating of sins, when called to a free confession; (Prov. 28:13, Prov. 30:20, Gen. 3:12–13, Jer. 2:35, 2 Kings 5:25, Gen. 4:9) unnecessary discovering of infirmities; (Gen. 9:22, Prov. 25:9–10) raising false rumors, (Exod. 23:1) receiving and countenancing evil reports, (Prov. 29:12) and stopping our ears against just defense; (Acts 7:56–57, Job 31:13–14) evil suspicion; (1 Cor. 13:5, 1 Tim. 6:4) envying or grieving at the deserved credit of any, (Numb. 11:29, Matt. 21:15) endeavoring or desiring to impair it, (Ezra 4:12–13) rejoicing in their disgrace and infamy; (Jer. 48:27) scornful contempt, (Ps. 35:15–16,21, Matt. 27:28–29) fond admiration; (Jude 16, Acts 12:22) breach of lawful promises; (Rom. 1:31, 2 Tim. 3:3) neglecting such things as are of good report, (1 Sam. 2:24) and practicing, or not avoiding ourselves, or not hindering what we can in others, such things as procure an ill name. (2 Sam. 13:12–13)”

That’s a mouthful. But I think you would agree that it is helpful as we try to comprehend all that the ninth commandment forbids. In brief, the ninth commandment forbids us from using our tongues to promote what is false. And how easy it is for us to stumble in this regard. 

I’m reminded of what James says regarding the tongue: “For we all stumble in many ways. And if anyone does not stumble in what he says, he is a perfect man, able also to bridle his whole body. If we put bits into the mouths of horses so that they obey us, we guide their whole bodies as well. Look at the ships also: though they are so large and are driven by strong winds, they are guided by a very small rudder wherever the will of the pilot directs. So also the tongue is a small member, yet it boasts of great things. How great a forest is set ablaze by such a small fire! And the tongue is a fire, a world of unrighteousness. The tongue is set among our members, staining the whole body, setting on fire the entire course of life, and set on fire by hell. For every kind of beast and bird, of reptile and sea creature, can be tamed and has been tamed by mankind, but no human being can tame the tongue. It is a restless evil, full of deadly poison. With it we bless our Lord and Father, and with it we curse people who are made in the likeness of God. From the same mouth come blessing and cursing. My brothers, these things ought not to be so. Does a spring pour forth from the same opening both fresh and salt water? Can a fig tree, my brothers, bear olives, or a grapevine produce figs? Neither can a salt pond yield fresh water.” (James 3:2–12, ESV)

Those who are in Christ and are growing in godliness will strive to bring their tongues under control. They will labor, with God’s help, to use their tongues for good, and not evil, to build up, and not tear down, and to speak the truth, and never what is false. Lord help us in these things. 

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Psalm 15

Psalm 15 calls us to this by asking,  “O LORD, who shall sojourn in your tent? Who shall dwell on your holy hill? He who walks blamelessly and does what is right and speaks truth in his heart; who does not slander with his tongue and does no evil to his neighbor, nor takes up a reproach against his friend; in whose eyes a vile person is despised, but who honors those who fear the LORD; who swears to his own hurt and does not change; who does not put out his money at interest and does not take a bribe against the innocent. He who does these things shall never be moved.” (Psalm 15, ESV)

Who has kept this standard perfectly? Who is the one who is worthy to dwell in God’s presence and on God’s holy hill? Not you or me, for we have violated his law in thought, word, and deed. But Christ is worthy. And we are made worthy in him by faith. Having been made worthy, let us now walk worthy. Let us honor God in all things, and even with our tongues.   

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Conclusion 

Q. 83. What is forbidden in the ninth commandment?

A. The ninth commandment forbideth whatsoever is prejudicial to truth, or injurious to our own, or our neighbor’s good name. (Eph. 4:25; Ps. 15:3; 2 Cor. 8:20,21)

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