How can you speak what is good? We have formerly hinted, that proverbial sayings ought not to be rigidly interpreted as an invariable rule, for they state nothing more than the ordinary fact. Sometimes, no doubt, a cruel man will deceive the simple by honied flatteries, a cunning man will cheat under the garb of simplicity, and a man of very wicked thoughts will breathe almost angelical purity of language. ⁴ But the ordinary practice demonstrates the truth of what Christ here says, that out of the abundance of the heart the mouth speaketh; agreeably to the old proverb, which declared the tongue to be the index of the mind. ⁵ And, indeed, whatever hidden and crooked recesses may exist in the heart of man, and whatever may be the amazing contrivances by which every man conceals his vices, yet the Lord extorts from each of them some kind of confession, so that they discover by the tongue their natural disposition and hidden feelings. We must also observe the purpose for which Christ employs those parables; for he reproaches the Pharisees with having manifested by words the malice which they had inwardly conceived. Besides, knowing them to be sworn enemies, he takes occasion from, single calumny to expose their whole life, and to destroy their credit with the people, which gave them too great influence in deceiving and in doing mischief. Though good speeches do not always proceed from the inmost heart, but originate (as the phrase is) on the tip of the tongue, yet it is an invariable truth, that bad speeches are indications of a bad heart.

36. Of every idle word This is an argument from the less to the greater; for if every idle word is to be called in question, how would God spare the open blasphemies and sacrilegious insolence of those who bark against his glory? ⁶ An idle word means one that is useless, or that yields no edification or advantage. Many look upon this as too severe; ⁷ but if we consider the purpose for which our tongues were made, we will acknowledge, that those men are justly held guilty who unthinkingly devote them to trifling fooleries, and prostitute them to such a purpose. It is no light fault to abuse, for frivolous purposes, the time, which Paul enjoins us to be careful to redeem, (Ephesians 5:16; Colossians 4:5.)

Now since no man is so cautious in speech, or maintains such a wise restraint upon himself, as never to allow some idle words to escape him, there remains for all of us absolute despair, if the Lord should treat us with rigor. But as the confident hope of our salvation rests on the assurance that God will not enter into judgment with us, (Psalm 143:2,) but will bury in gracious forgetfulness the sins which deserve innumerable deaths, ⁸ we entertain no doubt that, when he removes the condemnation of our whole life, he will likewise pardon the guilt of idle talking. When the judgment of God is mentioned in Scripture, it does not in any way set aside the forgiveness of sins. And yet let no man indulge himself, but let every man earnestly endeavor to bridle his tongue, (James 1:26.) First, let us speak of the sacred mysteries of God with the utmost reverence and sobriety; secondly, let us abstain from talkativeness, buffoonery, and vain jests, and much more from slanderous attacks; and, lastly, let us endeavor to have our speech seasoned with salt, (Colossians 4:6.)

37. By thy words thou shalt be justified This was a common proverb, which he applied to the present subject; for I have no doubt that this was a saying which the people had frequently in their mouths, that “every man is condemned or acquitted by his own acknowledgment.” But Christ turns it to a meaning somewhat different, that a wicked speech, being the indication of concealed malice, is enough to condemn a man. The attempt which the Papists make to torture this passage, so as to set aside the righteousness of faith, is childish. A man is justified by his words, not because his speech is the ground of his justification, (for we obtain by faith the favor of God, so that he reckons us to be righteous persons;) but because pure speech ⁹ absolves us in such a manner, that we are not condemned as wicked persons by our tongue. Is it not absurd to infer from this, that men deserve a single drop of righteousness in the sight of God? On the contrary, this passage upholds our doctrine; for, although Christ does not here treat of the ground of our justification, yet the contrast between the two words points out the meaning of the word justify. The Papists reckon it absurd in us to say, that a man is justified by faith, because they explain the word justified to mean, that he becomes, and is, actually righteous; while we understand it to mean, that he is accounted righteous, and is acquitted before the tribunal of God, as is evident from numerous passages of Scripture. And is not the same thing confirmed by Christ, when he draws a contrast between justified and condemned?

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Footnotes

1. “Que nul n’osoit parler de leurs vices, et les condamner;” — “that none dared to speak of their vices, or to condemn them.” ↩

2. “Lesquels ne vont point rondement, et n’ont une affection droite;” — “who do not go straight forward, and have not an upright disposition.” ↩

3. “Iusques a ce qu’ils sentent qu’on le poigne a bon escient;” — “till they feel that they are pierced in good earnest.” ↩

4. “Il semblera, a l’ouir parler, qu’il ait une purete Angelique;” — “to hear him speak, you would imagine that he has the purity of an Angel.” ↩

5. “Comme aussi le proverbe ancien portoit, Que la langue est le charactere ou pourtrait du coeur;” — “as also the old proverb bore, That the tongue is the type or portrait of the heart.” ↩

6. “Qui abbayent contre sa gloire, comme chiens mastins;” — “who bark against his glory, like mastiff-dogs.” ↩

7. “Ceci semble a plusieurs estre trop extreme et rigoureux;”— “this appears to many to be too extreme and rigorous.” ↩

8. “Qui meritent dix mille morts;” — “which deserve ten thousand deaths.” ↩

9. “La parole pure, droite, et honneste;” — “pure, upright, and becoming speech.” ↩