Behold, I make of you a threshing sledge, new, sharp, and having teeth; you shall thresh the mountains and crush them, and you shall make the hills like chaff;
15. Lo, I have made thee. The Prophet still speaks of the restoration of the Church, and promises that she will be so victorious over her enemies as to crush and reduce them to powder; and he declares this by a highly appropriate metaphor.
God speaks here with tender care, wanting His people to know His counsel is unchanging and to make them secure. He is not merely present but all-sufficient: your weakness meets His strength, your friendlessness meets His help, your readiness to fall meets His upholding right hand full of righteousness.
AI summary
Commenting on Isaiah 41:10-20
Behold, I will make thee a new sharp threshing instrument, having teeth,.... The Vulgate Latin version renders it, "as a new threshing cart, having teeth like saws"; and the Septuagint and Arabic versions, "as the new threshing wheels of a cart, in the manner of saws"; for corn with the Jews was threshed out by drawing a cart with wheels over it, which wheels were...