Commentaire sur Jérémie 6:28

extremely perverse Turning away from the road.

going tale bearing between copper and iron. They introduce hatred between two princes who have the power to provoke one another. That is what I heard. But I say, they are tale bearers, and they are as strong as copper and iron to maintain their falsehood. Jonathan, however, renders this word רכיל as an expression of guile (נוכל). They go with guile as one mixes copper with iron. נוכל is an expression of plot. Comp. (Gen. 37:18) “And they plotted (ויתנכלו) against him to slay him.”