28:1-11 Job maintained that the dispensations of Providence were regulated by the highest wisdom. To confirm this, he showed of what a great deal of knowledge and wealth men may make themselves masters. The caverns of the earth may be discovered, but not the counsels of Heaven. Go to the miners, thou sluggard in religion, consider their ways, and be wise. Let their courage and diligence in seeking the wealth that perishes, shame us out of slothfulness and faint-heartedness in labouring for the true riches. How much better is it to get wisdom than gold! How much easier, and safer! Yet gold is sought for, but grace neglected. Will the hopes of precious things out of the earth, so men call them, though really they are paltry and perishing, be such a spur to industry, and shall not the certain prospect of truly precious things in heaven be much more so?

Verse 9. - He putteth forth his hand upon the rock. Our Revisers translate, upon the flinty rock; while Canon Cook maintains that "the word used means either granite or quartz." Probably Job meant no more than that man does not shrink from attacking any - even the hardest - rock; but will subdue it, and cut his way through it, if he has occasion so to do. He overturneth the mountains by the roots. Herodotus, in describing what he had seen of the Phoenician mining operations in the island of Thasos, observes, "a huge, mountain has been turned upside down in the search for ores" (Herod., 6:47). Pliny says of the process employed for detaching huge masses from the metalliferous hills in Spain, "They attack the rock with iron wedges and hammers. When this work is complete, they destroy the supports, and notify by signal that the fall is about to take place. A watchman, stationed on the mountain-top, alone understands the signal; and he proceeds at once to have all the workmen called in, and himself makes a hurried retreat. Then the mountain falls m upon itself with a crash that cannot be imagined, and an incredible concussion of the air. The successful engineers contemplate the ruin which they have achieved" ('Hist. Nat.,' 33:4. § 73).

He putteth forth his hand upon the rock,.... The discourse is carried on concerning the miner, and digger in the earth for metals and precious stones; who meeting with a rock or flint, and a ridge of them, is not discouraged, but goes to work therewith, and with his hammer in his hand lays upon the rock or flint, and beats it to pieces, and with proper instruments cuts through it; and using fire and vinegar, as Pliny (g) observes, makes his way into it, and oftentimes by splitting it discovers gold (h) or silver, or precious stones, in it:

he overturneth the mountains by the roots; or turns them up from the roots; he roots them up, he undermines them; he turns up the earth at the roots of them, to get what is hid at the bottom, or in the bowels of them. Some understand this, and what is said in the following verses, of God, and of wonderful things done by him; so Jarchi, Aben Ezra, and others; and to whom indeed such things are sometimes ascribed in Scripture: he touches the hills, and they smoke, Psalm 104:32; lays his hand on the rock, and removes it out of its place, Job 14:18; it was he that smote and opened the rock at Horeb, and the waters gushed out, Exodus 17:6; yea, turned the rock into standing water, and the flint into a fountain of water, Psalm 114:8, and he, in a figurative sense, has laid his hand on the rock Christ, and smote him with the rod of justice, whereby the blessings of grace come flowing down upon his people; and he it is that puts forth his hand of powerful and efficacious grace upon the rocky hearts of men, and with the hammer of his word breaks them to pieces, Jeremiah 23:29, and takes away the stony heart, and gives an heart of flesh, Ezekiel 11:19, and he also, in a literal sense, overturns hills and mountains by their roots, through storms, and tempests, and earthquakes; and figuratively, kingdoms and states, that lie in the way of his interest; for what are these mountains before the great Zerubbabel? they soon and easily become a plain; and so breaks through all difficulties, which proverbially may be signified by removing mountains, that seem to obstruct and hinder the conversion and salvation of his people; he makes those mountains a way, and his highways are exalted; see Sol 2:8; but the former sense is best, and most agreeable to the context.

(g) Nat. Hist. l. 33. c. 4. "----Montem rumpit aceto", Juvenal. Sat. 10. v. 153. (h) lbid.

9. rock—flint. He puts forth his hand to cleave the hardest rock.

by the roots—from their foundations, by undermining them.

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