The chief things — That is, the excellent fruits, as grapes, olives, figs, &c. which delight in mountains, growing upon, or the precious minerals contained in, their mountains and hills called ancient and lasting, that is, such as have been from the beginning of the world, and are likely to continue to the end of it, in opposition to those hills or mounts which have been cast up by man.
Related Commentaries of Deuteronomy 33:15
Deuteronomy 33:15
15 And for the chief things of the ancient mountains, and for the precious things of the lasting hills,