Moses
Deuteronomy 8:9ESV·traditional attribution

a land in which you will eat bread without scarcity, in which you will lack nothing, a land whose stones are iron, and out of whose hills you can dig copper.

Matthew Henry Presbyterian @wholebiblehenry

The charge here given them is the same as before, to keep and do all God's commandments. Their obedience must be, 1. Careful: Observe to do. 2. Universal: To do all the commandments, Deu 8:1. And, 3. From a good principle, with a regard to God as the Lord, and their God, and particularly with a holy fear of him (Deu 8:6), from a reverence...

Commenting on Deuteronomy 8:1-9

John Gill Reformed Baptist @doctorgill

When thou hast eaten and art full, then thou shalt bless the Lord thy God,.... For as the Lord would furnish them with plenty of food, they might eat of it liberally, provided they did not indulge to intemperance, as everyone may whom God has blessed with a fulness of good things; and this shows that we are to return thanks to God for a...

Jamieson-Fausset-Brown Reformed @jfbcommentary

a land whose stones are iron--The abundance of this metal in Palestine, especially among the mountains of Lebanon, those of Kesraoun, and elsewhere, is attested not only by JOSEPHUS, but by Volney, Buckingham, and other travellers. brass--not the alloy brass, but the ore of copper. Although the mines may now be exhausted or neglected, they yielded plenty of those metals anciently (Ch1 22:3; Ch1 29:2-7; Isa 60:17).