Matthew Henry commentary on Proverbs 27:17-22
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19 As in water face answereth to face, so the heart of man to man.
This shows us that there is a way, 1. Of knowing ourselves. As the water is a looking-glass in which we may see our faces by reflection, so there are mirrors by which the heart of a man is discovered to a man, that is, to himself. Let a man examine his own conscience, his thoughts, affections, and intentions. Let him behold his natural face in the glass of the divine law ( Jam. i. 23 ), and he may discern what kind of man he is and what is his true character, which it will be of great use to every man rightly to know. 2. Of knowing one another by ourselves; for, as there is a similitude between the face of a man and the reflection of it in the water, so there is between one man's heart and another's for God has fashioned men's hearts alike; and in many cases we may judge of others by ourselves, which is one of the foundations on which that rule is built of doing to others as we would be done by, Exod. xxiii. 9 . Nihil est unum uni tam simile, tam par, quam omnes inter nosmet ipsos sumus. Sui nemo ipse tam similis quam omnes sunt omnium—No one thing is so like another as man is to man. No person is so like himself as each person is to all besides. Cic. de Legib. lib. 1. One corrupt heart is like another, and so is one sanctified heart, for the former bears the same image of the earthy, the latter the same image of the heavenly.
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20 Hell and destruction are never full; so the eyes of man are never satisfied.
Two things are here said to be insatiable, and they are two things near of kin—death and sin. 1. Death is insatiable. The first death, the second death, both are so. The grave is not clogged with the multitude of dead bodies that are daily thrown into it, but is still an open sepulchre, and cries, Give, give. Hell also has enlarged itself, and still has room for the damned spirits that are committed to that prison. Tophet is deep and large, Isa. xxx. 33 . 2. Sin is insatiable: The eyes of man are never satisfied, nor the appetites of the carnal mind towards profit or pleasure. The eye is not satisfied with seeing, nor is he the loves silver satisfied with silver. Men labour for that which surfeits, but satisfies not; nay, it is dissatisfying; but satisfies not; nay, it is dissatisfying; such a perpetual uneasiness have men justly been doomed to ever since our first parents were not satisfied with all the trees of Eden, but they must meddle with the forbidden tree. Those whose eyes are ever toward the Lord in him are satisfied, and shall for ever be so.
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21 As the fining pot for silver, and the furnace for gold; so is a man to his praise.
This gives us a touchstone by which we may try ourselves. Silver and gold are tried by putting them into the furnace and fining-pot; so is man tried by praising him. Let him be extolled and preferred, and then he will show himself what he is. 1. If a man be made, by the applause that is given him, proud, conceited, and scornful,—if he take the glory to himself which he should transmit to God, as Herod did,—if, the more he is praised, the more careless he is of what he says and does,—if he lie in bed till noon because his name is up, thereby it will appear that he is a vain foolish man, and a man who, though he be praised, has nothing in him truly praise-worthy. 2. If, on the contrary, a man is made by his praise more thankful to God, more respectful to his friends, more watchful against every thing that may blemish his reputation, more diligent to improve himself, and do good to others, that he may answer the expectations of his friends from him, by this it will appear that he is a wise and good man. He has a good temper of mind who knows how to pass by evil report and good report, and is still the same, 2 Cor. vi. 8 .
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22 Though thou shouldest bray a fool in a mortar among wheat with a pestle, yet will not his foolishness depart from him.
Solomon had said ( ch. xxii. 15 ), The foolishness which is bound in the heart of a child may be driven out by the rod of correction, for then the mind is to be moulded, the vicious habits not having taken root; but here he shows that, if it be not done then, it will be next to impossible to do it afterwards; if the disease be inveterate, there is a danger of its being incurable. Can the Ethiopian change his skin? Observe, 1. Some are so bad that rough and severe methods must be used with them, after gentle means have been tried in vain; they must be brayed in a mortar. God will take this way with them by his judgments; the magistrates must take this way with them by the rigour of the law. Force must be used with those that will not be ruled by reason, and love, and their own interest. 2. Some are so incorrigibly bad that even those rough and severe methods do not answer the end, their foolishness will not depart from them, so fully are their hearts set in them to do evil; they are often under the rod and yet not humbled, in the furnace and yet not refined, but, like Ahaz, trespass yet more ( 2 Chron. xxviii. 22 ); and what remains then but that they should be rejected as reprobate silver?
The Reward of Prudence.
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23 Be thou diligent to know the state of thy flocks, and look well to thy herds. 24 For riches are not for ever: and doth the crown endure to every generation? 25 The hay appeareth, and the tender grass sheweth itself, and herbs of the mountains are gathered. 26 The lambs are for thy clothing, and the goats are the price of the field. 27 And thou shalt have goats' milk enough for thy food, for the food of thy household, and for the maintenance for thy maidens.
Here is, I. A command given us to be diligent in our callings. It is directed to husbandmen and shepherds, and those that deal in cattle, but it is to be extended to all other lawful callings; whatever our business is, within doors or without, we must apply our minds to it. This command intimates, 1. That we ought to have some business to do in this world and not to live in idleness. 2. We ought rightly and fully to understand our business, and know what we have to do, and not meddle with that which we do not understand. 3. We ought to have an eye to it ourselves, and not turn over all the care of it to others. We should, with our own eyes, inspect the state of our flocks, it is the master's eye that makes them fat. 4. We must be discreet and considerate in the management of our business, know the state of things, and look well to them, that nothing may be lost, no opportunity let slip, but every thing done in proper time and order, and so as to turn to the best advantage. 5. We must be diligent and take pains; not only sit down and contrive, but be up and doing: "Set thy heart to thy herds, as one in care; lay thy hands, lay thy bones, to thy business."